Home / 8,760.13-12,089.05-4,781.32

Finding the Fourth Proportional to 8,760.13, 12,089.05 and 4,781.32

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Solution

The fourth proportional to 8,760.13, 12,089.05 and 4,781.32 is: 6,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.13 : 12,089.05 = 4,781.32 : x
  2. Step 2: Convert to fraction form
    8,760.13/12,089.05 = 4,781.32/x
  3. Step 3: Cross multiply
    8,760.13x = 12,089.05 × 4,781.32
  4. Step 4: Simplify right side
    8,760.13x = 57,801,574.37
  5. Step 5: Solve for x
    x = 57,801,574.37/8,760.13
  6. Step 6: Final answer
    x = 6,598.26

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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.