Home / 4,432.86-6,649.21-1,312.85

Finding the Fourth Proportional to 4,432.86, 6,649.21 and 1,312.85

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Solution

The fourth proportional to 4,432.86, 6,649.21 and 1,312.85 is: 1,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.86 : 6,649.21 = 1,312.85 : x
  2. Step 2: Convert to fraction form
    4,432.86/6,649.21 = 1,312.85/x
  3. Step 3: Cross multiply
    4,432.86x = 6,649.21 × 1,312.85
  4. Step 4: Simplify right side
    4,432.86x = 8,729,375.54
  5. Step 5: Solve for x
    x = 8,729,375.54/4,432.86
  6. Step 6: Final answer
    x = 1,969.24

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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.