Home / 4,818.18-6,649.14-2,828.76

Finding the Fourth Proportional to 4,818.18, 6,649.14 and 2,828.76

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Solution

The fourth proportional to 4,818.18, 6,649.14 and 2,828.76 is: 3,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.18 : 6,649.14 = 2,828.76 : x
  2. Step 2: Convert to fraction form
    4,818.18/6,649.14 = 2,828.76/x
  3. Step 3: Cross multiply
    4,818.18x = 6,649.14 × 2,828.76
  4. Step 4: Simplify right side
    4,818.18x = 18,808,821.27
  5. Step 5: Solve for x
    x = 18,808,821.27/4,818.18
  6. Step 6: Final answer
    x = 3,903.72

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Half scale
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Double scale
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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.