Home / 8,868.15-13,302.23-4,917.53

Finding the Fourth Proportional to 8,868.15, 13,302.23 and 4,917.53

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Solution

The fourth proportional to 8,868.15, 13,302.23 and 4,917.53 is: 7,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.15 : 13,302.23 = 4,917.53 : x
  2. Step 2: Convert to fraction form
    8,868.15/13,302.23 = 4,917.53/x
  3. Step 3: Cross multiply
    8,868.15x = 13,302.23 × 4,917.53
  4. Step 4: Simplify right side
    8,868.15x = 65,414,123.76
  5. Step 5: Solve for x
    x = 65,414,123.76/8,868.15
  6. Step 6: Final answer
    x = 7,376.30

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1.5x scale

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.