Home / 7,215.53-9,960.12-4,232.30

Finding the Fourth Proportional to 7,215.53, 9,960.12 and 4,232.30

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Solution

The fourth proportional to 7,215.53, 9,960.12 and 4,232.30 is: 5,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.53 : 9,960.12 = 4,232.30 : x
  2. Step 2: Convert to fraction form
    7,215.53/9,960.12 = 4,232.30/x
  3. Step 3: Cross multiply
    7,215.53x = 9,960.12 × 4,232.30
  4. Step 4: Simplify right side
    7,215.53x = 42,154,166.08
  5. Step 5: Solve for x
    x = 42,154,166.08/7,215.53
  6. Step 6: Final answer
    x = 5,842.15

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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.