Home / 6,288.72-9,432.80-2,590

Finding the Fourth Proportional to 6,288.72, 9,432.80 and 2,590

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Solution

The fourth proportional to 6,288.72, 9,432.80 and 2,590 is: 3,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.72 : 9,432.80 = 2,590 : x
  2. Step 2: Convert to fraction form
    6,288.72/9,432.80 = 2,590/x
  3. Step 3: Cross multiply
    6,288.72x = 9,432.80 × 2,590
  4. Step 4: Simplify right side
    6,288.72x = 24,430,952.00
  5. Step 5: Solve for x
    x = 24,430,952.00/6,288.72
  6. Step 6: Final answer
    x = 3,884.88

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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.