Home / 7,215.10-9,956.91-4,232.70

Finding the Fourth Proportional to 7,215.10, 9,956.91 and 4,232.70

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Solution

The fourth proportional to 7,215.10, 9,956.91 and 4,232.70 is: 5,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.10 : 9,956.91 = 4,232.70 : x
  2. Step 2: Convert to fraction form
    7,215.10/9,956.91 = 4,232.70/x
  3. Step 3: Cross multiply
    7,215.10x = 9,956.91 × 4,232.70
  4. Step 4: Simplify right side
    7,215.10x = 42,144,612.96
  5. Step 5: Solve for x
    x = 42,144,612.96/7,215.10
  6. Step 6: Final answer
    x = 5,841.17

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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.