Home / 8,495.52-12,740.16-2,947.36

Finding the Fourth Proportional to 8,495.52, 12,740.16 and 2,947.36

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Solution

The fourth proportional to 8,495.52, 12,740.16 and 2,947.36 is: 4,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.52 : 12,740.16 = 2,947.36 : x
  2. Step 2: Convert to fraction form
    8,495.52/12,740.16 = 2,947.36/x
  3. Step 3: Cross multiply
    8,495.52x = 12,740.16 × 2,947.36
  4. Step 4: Simplify right side
    8,495.52x = 37,549,837.98
  5. Step 5: Solve for x
    x = 37,549,837.98/8,495.52
  6. Step 6: Final answer
    x = 4,419.96

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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.