Home / 4,271.17-6,399.47-2,319.88

Finding the Fourth Proportional to 4,271.17, 6,399.47 and 2,319.88

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Solution

The fourth proportional to 4,271.17, 6,399.47 and 2,319.88 is: 3,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.17 : 6,399.47 = 2,319.88 : x
  2. Step 2: Convert to fraction form
    4,271.17/6,399.47 = 2,319.88/x
  3. Step 3: Cross multiply
    4,271.17x = 6,399.47 × 2,319.88
  4. Step 4: Simplify right side
    4,271.17x = 14,845,990.86
  5. Step 5: Solve for x
    x = 14,845,990.86/4,271.17
  6. Step 6: Final answer
    x = 3,475.86

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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.