Home / 8,506.28-11,739-4,729.42

Finding the Fourth Proportional to 8,506.28, 11,739 and 4,729.42

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Solution

The fourth proportional to 8,506.28, 11,739 and 4,729.42 is: 6,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.28 : 11,739 = 4,729.42 : x
  2. Step 2: Convert to fraction form
    8,506.28/11,739 = 4,729.42/x
  3. Step 3: Cross multiply
    8,506.28x = 11,739 × 4,729.42
  4. Step 4: Simplify right side
    8,506.28x = 55,518,661.38
  5. Step 5: Solve for x
    x = 55,518,661.38/8,506.28
  6. Step 6: Final answer
    x = 6,526.79

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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.