Home / 4,432.57-6,646.82-1,311.46

Finding the Fourth Proportional to 4,432.57, 6,646.82 and 1,311.46

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Solution

The fourth proportional to 4,432.57, 6,646.82 and 1,311.46 is: 1,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.57 : 6,646.82 = 1,311.46 : x
  2. Step 2: Convert to fraction form
    4,432.57/6,646.82 = 1,311.46/x
  3. Step 3: Cross multiply
    4,432.57x = 6,646.82 × 1,311.46
  4. Step 4: Simplify right side
    4,432.57x = 8,717,038.56
  5. Step 5: Solve for x
    x = 8,717,038.56/4,432.57
  6. Step 6: Final answer
    x = 1,966.59

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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.