Home / 5,126.52-7,688.02-1,838.73

Finding the Fourth Proportional to 5,126.52, 7,688.02 and 1,838.73

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Solution

The fourth proportional to 5,126.52, 7,688.02 and 1,838.73 is: 2,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.52 : 7,688.02 = 1,838.73 : x
  2. Step 2: Convert to fraction form
    5,126.52/7,688.02 = 1,838.73/x
  3. Step 3: Cross multiply
    5,126.52x = 7,688.02 × 1,838.73
  4. Step 4: Simplify right side
    5,126.52x = 14,136,193.01
  5. Step 5: Solve for x
    x = 14,136,193.01/5,126.52
  6. Step 6: Final answer
    x = 2,757.46

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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.