Home / 8,159.67-12,209.40-5,041.35

Finding the Fourth Proportional to 8,159.67, 12,209.40 and 5,041.35

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Solution

The fourth proportional to 8,159.67, 12,209.40 and 5,041.35 is: 7,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.67 : 12,209.40 = 5,041.35 : x
  2. Step 2: Convert to fraction form
    8,159.67/12,209.40 = 5,041.35/x
  3. Step 3: Cross multiply
    8,159.67x = 12,209.40 × 5,041.35
  4. Step 4: Simplify right side
    8,159.67x = 61,551,858.69
  5. Step 5: Solve for x
    x = 61,551,858.69/8,159.67
  6. Step 6: Final answer
    x = 7,543.43

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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.