Home / 8,117.64-12,176.43-2,923.50

Finding the Fourth Proportional to 8,117.64, 12,176.43 and 2,923.50

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Solution

The fourth proportional to 8,117.64, 12,176.43 and 2,923.50 is: 4,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.64 : 12,176.43 = 2,923.50 : x
  2. Step 2: Convert to fraction form
    8,117.64/12,176.43 = 2,923.50/x
  3. Step 3: Cross multiply
    8,117.64x = 12,176.43 × 2,923.50
  4. Step 4: Simplify right side
    8,117.64x = 35,597,793.11
  5. Step 5: Solve for x
    x = 35,597,793.11/8,117.64
  6. Step 6: Final answer
    x = 4,385.24

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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.