Home / 5,307.27-7,966.28-2,189.14

Finding the Fourth Proportional to 5,307.27, 7,966.28 and 2,189.14

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Solution

The fourth proportional to 5,307.27, 7,966.28 and 2,189.14 is: 3,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.27 : 7,966.28 = 2,189.14 : x
  2. Step 2: Convert to fraction form
    5,307.27/7,966.28 = 2,189.14/x
  3. Step 3: Cross multiply
    5,307.27x = 7,966.28 × 2,189.14
  4. Step 4: Simplify right side
    5,307.27x = 17,439,302.20
  5. Step 5: Solve for x
    x = 17,439,302.20/5,307.27
  6. Step 6: Final answer
    x = 3,285.93

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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.