Home / 8,970.74-13,454.52-2,729.24

Finding the Fourth Proportional to 8,970.74, 13,454.52 and 2,729.24

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Solution

The fourth proportional to 8,970.74, 13,454.52 and 2,729.24 is: 4,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.74 : 13,454.52 = 2,729.24 : x
  2. Step 2: Convert to fraction form
    8,970.74/13,454.52 = 2,729.24/x
  3. Step 3: Cross multiply
    8,970.74x = 13,454.52 × 2,729.24
  4. Step 4: Simplify right side
    8,970.74x = 36,720,614.16
  5. Step 5: Solve for x
    x = 36,720,614.16/8,970.74
  6. Step 6: Final answer
    x = 4,093.38

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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.