Home / 7,287.40-10,065.90-6,114.52

Finding the Fourth Proportional to 7,287.40, 10,065.90 and 6,114.52

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Solution

The fourth proportional to 7,287.40, 10,065.90 and 6,114.52 is: 8,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.40 : 10,065.90 = 6,114.52 : x
  2. Step 2: Convert to fraction form
    7,287.40/10,065.90 = 6,114.52/x
  3. Step 3: Cross multiply
    7,287.40x = 10,065.90 × 6,114.52
  4. Step 4: Simplify right side
    7,287.40x = 61,548,146.87
  5. Step 5: Solve for x
    x = 61,548,146.87/7,287.40
  6. Step 6: Final answer
    x = 8,445.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.