Home / 6,432.36-8,869.02-4,191.06

Finding the Fourth Proportional to 6,432.36, 8,869.02 and 4,191.06

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Solution

The fourth proportional to 6,432.36, 8,869.02 and 4,191.06 is: 5,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.36 : 8,869.02 = 4,191.06 : x
  2. Step 2: Convert to fraction form
    6,432.36/8,869.02 = 4,191.06/x
  3. Step 3: Cross multiply
    6,432.36x = 8,869.02 × 4,191.06
  4. Step 4: Simplify right side
    6,432.36x = 37,170,594.96
  5. Step 5: Solve for x
    x = 37,170,594.96/6,432.36
  6. Step 6: Final answer
    x = 5,778.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.