Home / 7,572.57-11,358.04-2,642.30

Finding the Fourth Proportional to 7,572.57, 11,358.04 and 2,642.30

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Solution

The fourth proportional to 7,572.57, 11,358.04 and 2,642.30 is: 3,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.57 : 11,358.04 = 2,642.30 : x
  2. Step 2: Convert to fraction form
    7,572.57/11,358.04 = 2,642.30/x
  3. Step 3: Cross multiply
    7,572.57x = 11,358.04 × 2,642.30
  4. Step 4: Simplify right side
    7,572.57x = 30,011,333.24
  5. Step 5: Solve for x
    x = 30,011,333.24/7,572.57
  6. Step 6: Final answer
    x = 3,963.17

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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.