Home / 8,729.04-12,046.34-4,749.92

Finding the Fourth Proportional to 8,729.04, 12,046.34 and 4,749.92

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Solution

The fourth proportional to 8,729.04, 12,046.34 and 4,749.92 is: 6,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.04 : 12,046.34 = 4,749.92 : x
  2. Step 2: Convert to fraction form
    8,729.04/12,046.34 = 4,749.92/x
  3. Step 3: Cross multiply
    8,729.04x = 12,046.34 × 4,749.92
  4. Step 4: Simplify right side
    8,729.04x = 57,219,102.94
  5. Step 5: Solve for x
    x = 57,219,102.94/8,729.04
  6. Step 6: Final answer
    x = 6,555.03

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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.