Home / 8,797.02-12,139.38-4,818.21

Finding the Fourth Proportional to 8,797.02, 12,139.38 and 4,818.21

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Solution

The fourth proportional to 8,797.02, 12,139.38 and 4,818.21 is: 6,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.02 : 12,139.38 = 4,818.21 : x
  2. Step 2: Convert to fraction form
    8,797.02/12,139.38 = 4,818.21/x
  3. Step 3: Cross multiply
    8,797.02x = 12,139.38 × 4,818.21
  4. Step 4: Simplify right side
    8,797.02x = 58,490,082.11
  5. Step 5: Solve for x
    x = 58,490,082.11/8,797.02
  6. Step 6: Final answer
    x = 6,648.85

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Half scale
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Double scale
Find fourth proportional to 8,798.02, 12,140.76 and 4,819.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.