Home / 9,117.30-13,669.20-4,737.90

Finding the Fourth Proportional to 9,117.30, 13,669.20 and 4,737.90

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Solution

The fourth proportional to 9,117.30, 13,669.20 and 4,737.90 is: 7,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.30 : 13,669.20 = 4,737.90 : x
  2. Step 2: Convert to fraction form
    9,117.30/13,669.20 = 4,737.90/x
  3. Step 3: Cross multiply
    9,117.30x = 13,669.20 × 4,737.90
  4. Step 4: Simplify right side
    9,117.30x = 64,763,302.68
  5. Step 5: Solve for x
    x = 64,763,302.68/9,117.30
  6. Step 6: Final answer
    x = 7,103.34

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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.