Home / 7,042.60-10,549.54-5,648.38

Finding the Fourth Proportional to 7,042.60, 10,549.54 and 5,648.38

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Solution

The fourth proportional to 7,042.60, 10,549.54 and 5,648.38 is: 8,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.60 : 10,549.54 = 5,648.38 : x
  2. Step 2: Convert to fraction form
    7,042.60/10,549.54 = 5,648.38/x
  3. Step 3: Cross multiply
    7,042.60x = 10,549.54 × 5,648.38
  4. Step 4: Simplify right side
    7,042.60x = 59,587,850.77
  5. Step 5: Solve for x
    x = 59,587,850.77/7,042.60
  6. Step 6: Final answer
    x = 8,461.06

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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.