Home / 8,477.13-12,715.48-2,929.95

Finding the Fourth Proportional to 8,477.13, 12,715.48 and 2,929.95

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Solution

The fourth proportional to 8,477.13, 12,715.48 and 2,929.95 is: 4,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.13 : 12,715.48 = 2,929.95 : x
  2. Step 2: Convert to fraction form
    8,477.13/12,715.48 = 2,929.95/x
  3. Step 3: Cross multiply
    8,477.13x = 12,715.48 × 2,929.95
  4. Step 4: Simplify right side
    8,477.13x = 37,255,720.63
  5. Step 5: Solve for x
    x = 37,255,720.63/8,477.13
  6. Step 6: Final answer
    x = 4,394.85

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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.