Home / 7,411.39-11,112.98-3,031.92

Finding the Fourth Proportional to 7,411.39, 11,112.98 and 3,031.92

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Solution

The fourth proportional to 7,411.39, 11,112.98 and 3,031.92 is: 4,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.39 : 11,112.98 = 3,031.92 : x
  2. Step 2: Convert to fraction form
    7,411.39/11,112.98 = 3,031.92/x
  3. Step 3: Cross multiply
    7,411.39x = 11,112.98 × 3,031.92
  4. Step 4: Simplify right side
    7,411.39x = 33,693,666.32
  5. Step 5: Solve for x
    x = 33,693,666.32/7,411.39
  6. Step 6: Final answer
    x = 4,546.20

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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.