Home / 8,947.40-13,425.15-4,265.60

Finding the Fourth Proportional to 8,947.40, 13,425.15 and 4,265.60

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Solution

The fourth proportional to 8,947.40, 13,425.15 and 4,265.60 is: 6,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.40 : 13,425.15 = 4,265.60 : x
  2. Step 2: Convert to fraction form
    8,947.40/13,425.15 = 4,265.60/x
  3. Step 3: Cross multiply
    8,947.40x = 13,425.15 × 4,265.60
  4. Step 4: Simplify right side
    8,947.40x = 57,266,319.84
  5. Step 5: Solve for x
    x = 57,266,319.84/8,947.40
  6. Step 6: Final answer
    x = 6,400.33

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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.