Home / 8,600.16-12,895.08-4,155.12

Finding the Fourth Proportional to 8,600.16, 12,895.08 and 4,155.12

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Solution

The fourth proportional to 8,600.16, 12,895.08 and 4,155.12 is: 6,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.16 : 12,895.08 = 4,155.12 : x
  2. Step 2: Convert to fraction form
    8,600.16/12,895.08 = 4,155.12/x
  3. Step 3: Cross multiply
    8,600.16x = 12,895.08 × 4,155.12
  4. Step 4: Simplify right side
    8,600.16x = 53,580,604.81
  5. Step 5: Solve for x
    x = 53,580,604.81/8,600.16
  6. Step 6: Final answer
    x = 6,230.19

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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.