Home / 6,213.40-8,569.02-4,872.76

Finding the Fourth Proportional to 6,213.40, 8,569.02 and 4,872.76

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Solution

The fourth proportional to 6,213.40, 8,569.02 and 4,872.76 is: 6,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.40 : 8,569.02 = 4,872.76 : x
  2. Step 2: Convert to fraction form
    6,213.40/8,569.02 = 4,872.76/x
  3. Step 3: Cross multiply
    6,213.40x = 8,569.02 × 4,872.76
  4. Step 4: Simplify right side
    6,213.40x = 41,754,777.90
  5. Step 5: Solve for x
    x = 41,754,777.90/6,213.40
  6. Step 6: Final answer
    x = 6,720.12

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Half scale
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Double scale
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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.