Home / 8,728.95-13,060.38-5,352.69

Finding the Fourth Proportional to 8,728.95, 13,060.38 and 5,352.69

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Solution

The fourth proportional to 8,728.95, 13,060.38 and 5,352.69 is: 8,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.95 : 13,060.38 = 5,352.69 : x
  2. Step 2: Convert to fraction form
    8,728.95/13,060.38 = 5,352.69/x
  3. Step 3: Cross multiply
    8,728.95x = 13,060.38 × 5,352.69
  4. Step 4: Simplify right side
    8,728.95x = 69,908,165.42
  5. Step 5: Solve for x
    x = 69,908,165.42/8,728.95
  6. Step 6: Final answer
    x = 8,008.77

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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.