Home / 5,316.52-7,337.12-3,220.84

Finding the Fourth Proportional to 5,316.52, 7,337.12 and 3,220.84

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Solution

The fourth proportional to 5,316.52, 7,337.12 and 3,220.84 is: 4,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.52 : 7,337.12 = 3,220.84 : x
  2. Step 2: Convert to fraction form
    5,316.52/7,337.12 = 3,220.84/x
  3. Step 3: Cross multiply
    5,316.52x = 7,337.12 × 3,220.84
  4. Step 4: Simplify right side
    5,316.52x = 23,631,689.58
  5. Step 5: Solve for x
    x = 23,631,689.58/5,316.52
  6. Step 6: Final answer
    x = 4,444.95

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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.