Home / 8,729.03-12,045.82-4,750.05

Finding the Fourth Proportional to 8,729.03, 12,045.82 and 4,750.05

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Solution

The fourth proportional to 8,729.03, 12,045.82 and 4,750.05 is: 6,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.03 : 12,045.82 = 4,750.05 : x
  2. Step 2: Convert to fraction form
    8,729.03/12,045.82 = 4,750.05/x
  3. Step 3: Cross multiply
    8,729.03x = 12,045.82 × 4,750.05
  4. Step 4: Simplify right side
    8,729.03x = 57,218,247.29
  5. Step 5: Solve for x
    x = 57,218,247.29/8,729.03
  6. Step 6: Final answer
    x = 6,554.94

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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.