Home / 9,781.20-14,645.88-5,880.24

Finding the Fourth Proportional to 9,781.20, 14,645.88 and 5,880.24

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Solution

The fourth proportional to 9,781.20, 14,645.88 and 5,880.24 is: 8,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.20 : 14,645.88 = 5,880.24 : x
  2. Step 2: Convert to fraction form
    9,781.20/14,645.88 = 5,880.24/x
  3. Step 3: Cross multiply
    9,781.20x = 14,645.88 × 5,880.24
  4. Step 4: Simplify right side
    9,781.20x = 86,121,289.41
  5. Step 5: Solve for x
    x = 86,121,289.41/9,781.20
  6. Step 6: Final answer
    x = 8,804.78

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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.