Home / 8,729.24-12,045.44-4,951.20

Finding the Fourth Proportional to 8,729.24, 12,045.44 and 4,951.20

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Solution

The fourth proportional to 8,729.24, 12,045.44 and 4,951.20 is: 6,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.24 : 12,045.44 = 4,951.20 : x
  2. Step 2: Convert to fraction form
    8,729.24/12,045.44 = 4,951.20/x
  3. Step 3: Cross multiply
    8,729.24x = 12,045.44 × 4,951.20
  4. Step 4: Simplify right side
    8,729.24x = 59,639,357.77
  5. Step 5: Solve for x
    x = 59,639,357.77/8,729.24
  6. Step 6: Final answer
    x = 6,832.14

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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.