Home / 5,614.32-8,421.44-1,454.31

Finding the Fourth Proportional to 5,614.32, 8,421.44 and 1,454.31

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Solution

The fourth proportional to 5,614.32, 8,421.44 and 1,454.31 is: 2,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.32 : 8,421.44 = 1,454.31 : x
  2. Step 2: Convert to fraction form
    5,614.32/8,421.44 = 1,454.31/x
  3. Step 3: Cross multiply
    5,614.32x = 8,421.44 × 1,454.31
  4. Step 4: Simplify right side
    5,614.32x = 12,247,377.13
  5. Step 5: Solve for x
    x = 12,247,377.13/5,614.32
  6. Step 6: Final answer
    x = 2,181.46

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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.