Home / 6,402.79-8,839.33-4,423.98

Finding the Fourth Proportional to 6,402.79, 8,839.33 and 4,423.98

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Solution

The fourth proportional to 6,402.79, 8,839.33 and 4,423.98 is: 6,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.79 : 8,839.33 = 4,423.98 : x
  2. Step 2: Convert to fraction form
    6,402.79/8,839.33 = 4,423.98/x
  3. Step 3: Cross multiply
    6,402.79x = 8,839.33 × 4,423.98
  4. Step 4: Simplify right side
    6,402.79x = 39,105,008.07
  5. Step 5: Solve for x
    x = 39,105,008.07/6,402.79
  6. Step 6: Final answer
    x = 6,107.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.