Home / 4,303.92-6,455.76-1,382.40

Finding the Fourth Proportional to 4,303.92, 6,455.76 and 1,382.40

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Solution

The fourth proportional to 4,303.92, 6,455.76 and 1,382.40 is: 2,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.92 : 6,455.76 = 1,382.40 : x
  2. Step 2: Convert to fraction form
    4,303.92/6,455.76 = 1,382.40/x
  3. Step 3: Cross multiply
    4,303.92x = 6,455.76 × 1,382.40
  4. Step 4: Simplify right side
    4,303.92x = 8,924,442.62
  5. Step 5: Solve for x
    x = 8,924,442.62/4,303.92
  6. Step 6: Final answer
    x = 2,073.56

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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.