Home / 4,310.86-6,464.45-1,538.24

Finding the Fourth Proportional to 4,310.86, 6,464.45 and 1,538.24

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Solution

The fourth proportional to 4,310.86, 6,464.45 and 1,538.24 is: 2,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.86 : 6,464.45 = 1,538.24 : x
  2. Step 2: Convert to fraction form
    4,310.86/6,464.45 = 1,538.24/x
  3. Step 3: Cross multiply
    4,310.86x = 6,464.45 × 1,538.24
  4. Step 4: Simplify right side
    4,310.86x = 9,943,875.57
  5. Step 5: Solve for x
    x = 9,943,875.57/4,310.86
  6. Step 6: Final answer
    x = 2,306.70

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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.