Home / 5,316.98-7,337.12-3,078.70

Finding the Fourth Proportional to 5,316.98, 7,337.12 and 3,078.70

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Solution

The fourth proportional to 5,316.98, 7,337.12 and 3,078.70 is: 4,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.98 : 7,337.12 = 3,078.70 : x
  2. Step 2: Convert to fraction form
    5,316.98/7,337.12 = 3,078.70/x
  3. Step 3: Cross multiply
    5,316.98x = 7,337.12 × 3,078.70
  4. Step 4: Simplify right side
    5,316.98x = 22,588,791.34
  5. Step 5: Solve for x
    x = 22,588,791.34/5,316.98
  6. Step 6: Final answer
    x = 4,248.43

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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.