Home / 8,629.81-12,924.16-5,332.91

Finding the Fourth Proportional to 8,629.81, 12,924.16 and 5,332.91

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Solution

The fourth proportional to 8,629.81, 12,924.16 and 5,332.91 is: 7,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.81 : 12,924.16 = 5,332.91 : x
  2. Step 2: Convert to fraction form
    8,629.81/12,924.16 = 5,332.91/x
  3. Step 3: Cross multiply
    8,629.81x = 12,924.16 × 5,332.91
  4. Step 4: Simplify right side
    8,629.81x = 68,923,304.15
  5. Step 5: Solve for x
    x = 68,923,304.15/8,629.81
  6. Step 6: Final answer
    x = 7,986.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.