Home / 7,342.17-10,132.02-3,984.84

Finding the Fourth Proportional to 7,342.17, 10,132.02 and 3,984.84

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Solution

The fourth proportional to 7,342.17, 10,132.02 and 3,984.84 is: 5,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.17 : 10,132.02 = 3,984.84 : x
  2. Step 2: Convert to fraction form
    7,342.17/10,132.02 = 3,984.84/x
  3. Step 3: Cross multiply
    7,342.17x = 10,132.02 × 3,984.84
  4. Step 4: Simplify right side
    7,342.17x = 40,374,478.58
  5. Step 5: Solve for x
    x = 40,374,478.58/7,342.17
  6. Step 6: Final answer
    x = 5,498.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.