Home / 6,143.86-9,215.85-1,526.86

Finding the Fourth Proportional to 6,143.86, 9,215.85 and 1,526.86

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Solution

The fourth proportional to 6,143.86, 9,215.85 and 1,526.86 is: 2,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.86 : 9,215.85 = 1,526.86 : x
  2. Step 2: Convert to fraction form
    6,143.86/9,215.85 = 1,526.86/x
  3. Step 3: Cross multiply
    6,143.86x = 9,215.85 × 1,526.86
  4. Step 4: Simplify right side
    6,143.86x = 14,071,312.73
  5. Step 5: Solve for x
    x = 14,071,312.73/6,143.86
  6. Step 6: Final answer
    x = 2,290.30

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Similar ratio
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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.