Home / 8,350.16-12,516.28-2,798.40

Finding the Fourth Proportional to 8,350.16, 12,516.28 and 2,798.40

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Solution

The fourth proportional to 8,350.16, 12,516.28 and 2,798.40 is: 4,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.16 : 12,516.28 = 2,798.40 : x
  2. Step 2: Convert to fraction form
    8,350.16/12,516.28 = 2,798.40/x
  3. Step 3: Cross multiply
    8,350.16x = 12,516.28 × 2,798.40
  4. Step 4: Simplify right side
    8,350.16x = 35,025,557.95
  5. Step 5: Solve for x
    x = 35,025,557.95/8,350.16
  6. Step 6: Final answer
    x = 4,194.60

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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.