Home / 8,703.18-13,057.02-3,438.54

Finding the Fourth Proportional to 8,703.18, 13,057.02 and 3,438.54

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Solution

The fourth proportional to 8,703.18, 13,057.02 and 3,438.54 is: 5,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.18 : 13,057.02 = 3,438.54 : x
  2. Step 2: Convert to fraction form
    8,703.18/13,057.02 = 3,438.54/x
  3. Step 3: Cross multiply
    8,703.18x = 13,057.02 × 3,438.54
  4. Step 4: Simplify right side
    8,703.18x = 44,897,085.55
  5. Step 5: Solve for x
    x = 44,897,085.55/8,703.18
  6. Step 6: Final answer
    x = 5,158.70

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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.