Home / 5,470.38-8,162.89-4,881.33

Finding the Fourth Proportional to 5,470.38, 8,162.89 and 4,881.33

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Solution

The fourth proportional to 5,470.38, 8,162.89 and 4,881.33 is: 7,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.38 : 8,162.89 = 4,881.33 : x
  2. Step 2: Convert to fraction form
    5,470.38/8,162.89 = 4,881.33/x
  3. Step 3: Cross multiply
    5,470.38x = 8,162.89 × 4,881.33
  4. Step 4: Simplify right side
    5,470.38x = 39,845,747.64
  5. Step 5: Solve for x
    x = 39,845,747.64/5,470.38
  6. Step 6: Final answer
    x = 7,283.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.