Home / 8,880.09-12,255.24-5,103.87

Finding the Fourth Proportional to 8,880.09, 12,255.24 and 5,103.87

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Solution

The fourth proportional to 8,880.09, 12,255.24 and 5,103.87 is: 7,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.09 : 12,255.24 = 5,103.87 : x
  2. Step 2: Convert to fraction form
    8,880.09/12,255.24 = 5,103.87/x
  3. Step 3: Cross multiply
    8,880.09x = 12,255.24 × 5,103.87
  4. Step 4: Simplify right side
    8,880.09x = 62,549,151.78
  5. Step 5: Solve for x
    x = 62,549,151.78/8,880.09
  6. Step 6: Final answer
    x = 7,043.75

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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.