Home / 7,568.10-10,434.60-4,874.76

Finding the Fourth Proportional to 7,568.10, 10,434.60 and 4,874.76

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Solution

The fourth proportional to 7,568.10, 10,434.60 and 4,874.76 is: 6,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.10 : 10,434.60 = 4,874.76 : x
  2. Step 2: Convert to fraction form
    7,568.10/10,434.60 = 4,874.76/x
  3. Step 3: Cross multiply
    7,568.10x = 10,434.60 × 4,874.76
  4. Step 4: Simplify right side
    7,568.10x = 50,866,170.70
  5. Step 5: Solve for x
    x = 50,866,170.70/7,568.10
  6. Step 6: Final answer
    x = 6,721.13

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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.