Home / 8,729.49-12,046.66-4,750.63

Finding the Fourth Proportional to 8,729.49, 12,046.66 and 4,750.63

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Solution

The fourth proportional to 8,729.49, 12,046.66 and 4,750.63 is: 6,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.49 : 12,046.66 = 4,750.63 : x
  2. Step 2: Convert to fraction form
    8,729.49/12,046.66 = 4,750.63/x
  3. Step 3: Cross multiply
    8,729.49x = 12,046.66 × 4,750.63
  4. Step 4: Simplify right side
    8,729.49x = 57,229,224.40
  5. Step 5: Solve for x
    x = 57,229,224.40/8,729.49
  6. Step 6: Final answer
    x = 6,555.85

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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.