Home / 8,381.36-12,572.40-2,835.28

Finding the Fourth Proportional to 8,381.36, 12,572.40 and 2,835.28

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Solution

The fourth proportional to 8,381.36, 12,572.40 and 2,835.28 is: 4,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.36 : 12,572.40 = 2,835.28 : x
  2. Step 2: Convert to fraction form
    8,381.36/12,572.40 = 2,835.28/x
  3. Step 3: Cross multiply
    8,381.36x = 12,572.40 × 2,835.28
  4. Step 4: Simplify right side
    8,381.36x = 35,646,274.27
  5. Step 5: Solve for x
    x = 35,646,274.27/8,381.36
  6. Step 6: Final answer
    x = 4,253.04

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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.