Home / 7,272.10-10,913.55-2,892.70

Finding the Fourth Proportional to 7,272.10, 10,913.55 and 2,892.70

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Solution

The fourth proportional to 7,272.10, 10,913.55 and 2,892.70 is: 4,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.10 : 10,913.55 = 2,892.70 : x
  2. Step 2: Convert to fraction form
    7,272.10/10,913.55 = 2,892.70/x
  3. Step 3: Cross multiply
    7,272.10x = 10,913.55 × 2,892.70
  4. Step 4: Simplify right side
    7,272.10x = 31,569,626.09
  5. Step 5: Solve for x
    x = 31,569,626.09/7,272.10
  6. Step 6: Final answer
    x = 4,341.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.