Home / 4,739.50-7,111.28-1,817.43

Finding the Fourth Proportional to 4,739.50, 7,111.28 and 1,817.43

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Solution

The fourth proportional to 4,739.50, 7,111.28 and 1,817.43 is: 2,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.50 : 7,111.28 = 1,817.43 : x
  2. Step 2: Convert to fraction form
    4,739.50/7,111.28 = 1,817.43/x
  3. Step 3: Cross multiply
    4,739.50x = 7,111.28 × 1,817.43
  4. Step 4: Simplify right side
    4,739.50x = 12,924,253.61
  5. Step 5: Solve for x
    x = 12,924,253.61/4,739.50
  6. Step 6: Final answer
    x = 2,726.92

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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.