Home / 4,291.92-6,437.76-1,370.40

Finding the Fourth Proportional to 4,291.92, 6,437.76 and 1,370.40

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Solution

The fourth proportional to 4,291.92, 6,437.76 and 1,370.40 is: 2,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.92 : 6,437.76 = 1,370.40 : x
  2. Step 2: Convert to fraction form
    4,291.92/6,437.76 = 1,370.40/x
  3. Step 3: Cross multiply
    4,291.92x = 6,437.76 × 1,370.40
  4. Step 4: Simplify right side
    4,291.92x = 8,822,306.30
  5. Step 5: Solve for x
    x = 8,822,306.30/4,291.92
  6. Step 6: Final answer
    x = 2,055.56

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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.