Home / 8,423.57-11,625.30-4,839.03

Finding the Fourth Proportional to 8,423.57, 11,625.30 and 4,839.03

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Solution

The fourth proportional to 8,423.57, 11,625.30 and 4,839.03 is: 6,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.57 : 11,625.30 = 4,839.03 : x
  2. Step 2: Convert to fraction form
    8,423.57/11,625.30 = 4,839.03/x
  3. Step 3: Cross multiply
    8,423.57x = 11,625.30 × 4,839.03
  4. Step 4: Simplify right side
    8,423.57x = 56,255,175.46
  5. Step 5: Solve for x
    x = 56,255,175.46/8,423.57
  6. Step 6: Final answer
    x = 6,678.31

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1.5x scale

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.