Home / 8,253.16-12,373.26-2,987.35

Finding the Fourth Proportional to 8,253.16, 12,373.26 and 2,987.35

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Solution

The fourth proportional to 8,253.16, 12,373.26 and 2,987.35 is: 4,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.16 : 12,373.26 = 2,987.35 : x
  2. Step 2: Convert to fraction form
    8,253.16/12,373.26 = 2,987.35/x
  3. Step 3: Cross multiply
    8,253.16x = 12,373.26 × 2,987.35
  4. Step 4: Simplify right side
    8,253.16x = 36,963,216.13
  5. Step 5: Solve for x
    x = 36,963,216.13/8,253.16
  6. Step 6: Final answer
    x = 4,478.68

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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.