Home / 5,470.35-7,549.65-3,112.98

Finding the Fourth Proportional to 5,470.35, 7,549.65 and 3,112.98

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Solution

The fourth proportional to 5,470.35, 7,549.65 and 3,112.98 is: 4,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.35 : 7,549.65 = 3,112.98 : x
  2. Step 2: Convert to fraction form
    5,470.35/7,549.65 = 3,112.98/x
  3. Step 3: Cross multiply
    5,470.35x = 7,549.65 × 3,112.98
  4. Step 4: Simplify right side
    5,470.35x = 23,501,909.46
  5. Step 5: Solve for x
    x = 23,501,909.46/5,470.35
  6. Step 6: Final answer
    x = 4,296.24

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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.