Home / 5,289.16-7,934.88-1,591.08

Finding the Fourth Proportional to 5,289.16, 7,934.88 and 1,591.08

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Solution

The fourth proportional to 5,289.16, 7,934.88 and 1,591.08 is: 2,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.16 : 7,934.88 = 1,591.08 : x
  2. Step 2: Convert to fraction form
    5,289.16/7,934.88 = 1,591.08/x
  3. Step 3: Cross multiply
    5,289.16x = 7,934.88 × 1,591.08
  4. Step 4: Simplify right side
    5,289.16x = 12,625,028.87
  5. Step 5: Solve for x
    x = 12,625,028.87/5,289.16
  6. Step 6: Final answer
    x = 2,386.96

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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.