Home / 5,451.32-8,176.10-1,554.81

Finding the Fourth Proportional to 5,451.32, 8,176.10 and 1,554.81

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Solution

The fourth proportional to 5,451.32, 8,176.10 and 1,554.81 is: 2,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.32 : 8,176.10 = 1,554.81 : x
  2. Step 2: Convert to fraction form
    5,451.32/8,176.10 = 1,554.81/x
  3. Step 3: Cross multiply
    5,451.32x = 8,176.10 × 1,554.81
  4. Step 4: Simplify right side
    5,451.32x = 12,712,274.27
  5. Step 5: Solve for x
    x = 12,712,274.27/5,451.32
  6. Step 6: Final answer
    x = 2,331.96

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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.