Home / 4,379.72-6,565.40-1,455.97

Finding the Fourth Proportional to 4,379.72, 6,565.40 and 1,455.97

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Solution

The fourth proportional to 4,379.72, 6,565.40 and 1,455.97 is: 2,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.72 : 6,565.40 = 1,455.97 : x
  2. Step 2: Convert to fraction form
    4,379.72/6,565.40 = 1,455.97/x
  3. Step 3: Cross multiply
    4,379.72x = 6,565.40 × 1,455.97
  4. Step 4: Simplify right side
    4,379.72x = 9,559,018.16
  5. Step 5: Solve for x
    x = 9,559,018.16/4,379.72
  6. Step 6: Final answer
    x = 2,182.57

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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.