Home / 8,863.12-12,230.76-5,137.12

Finding the Fourth Proportional to 8,863.12, 12,230.76 and 5,137.12

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Solution

The fourth proportional to 8,863.12, 12,230.76 and 5,137.12 is: 7,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.12 : 12,230.76 = 5,137.12 : x
  2. Step 2: Convert to fraction form
    8,863.12/12,230.76 = 5,137.12/x
  3. Step 3: Cross multiply
    8,863.12x = 12,230.76 × 5,137.12
  4. Step 4: Simplify right side
    8,863.12x = 62,830,881.81
  5. Step 5: Solve for x
    x = 62,830,881.81/8,863.12
  6. Step 6: Final answer
    x = 7,089.03

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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.