Home / 8,955.24-13,432.86-3,407.28

Finding the Fourth Proportional to 8,955.24, 13,432.86 and 3,407.28

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Solution

The fourth proportional to 8,955.24, 13,432.86 and 3,407.28 is: 5,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.24 : 13,432.86 = 3,407.28 : x
  2. Step 2: Convert to fraction form
    8,955.24/13,432.86 = 3,407.28/x
  3. Step 3: Cross multiply
    8,955.24x = 13,432.86 × 3,407.28
  4. Step 4: Simplify right side
    8,955.24x = 45,769,515.22
  5. Step 5: Solve for x
    x = 45,769,515.22/8,955.24
  6. Step 6: Final answer
    x = 5,110.92

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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.