Home / 10,646.50-15,970.02-3,721

Finding the Fourth Proportional to 10,646.50, 15,970.02 and 3,721

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Solution

The fourth proportional to 10,646.50, 15,970.02 and 3,721 is: 5,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.50 : 15,970.02 = 3,721 : x
  2. Step 2: Convert to fraction form
    10,646.50/15,970.02 = 3,721/x
  3. Step 3: Cross multiply
    10,646.50x = 15,970.02 × 3,721
  4. Step 4: Simplify right side
    10,646.50x = 59,424,444.42
  5. Step 5: Solve for x
    x = 59,424,444.42/10,646.50
  6. Step 6: Final answer
    x = 5,581.59

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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.