Home / 8,640.48-12,962.64-2,484

Finding the Fourth Proportional to 8,640.48, 12,962.64 and 2,484

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Solution

The fourth proportional to 8,640.48, 12,962.64 and 2,484 is: 3,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.48 : 12,962.64 = 2,484 : x
  2. Step 2: Convert to fraction form
    8,640.48/12,962.64 = 2,484/x
  3. Step 3: Cross multiply
    8,640.48x = 12,962.64 × 2,484
  4. Step 4: Simplify right side
    8,640.48x = 32,199,197.76
  5. Step 5: Solve for x
    x = 32,199,197.76/8,640.48
  6. Step 6: Final answer
    x = 3,726.55

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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.