Home / 5,380.32-8,071.08-1,484.64

Finding the Fourth Proportional to 5,380.32, 8,071.08 and 1,484.64

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Solution

The fourth proportional to 5,380.32, 8,071.08 and 1,484.64 is: 2,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.32 : 8,071.08 = 1,484.64 : x
  2. Step 2: Convert to fraction form
    5,380.32/8,071.08 = 1,484.64/x
  3. Step 3: Cross multiply
    5,380.32x = 8,071.08 × 1,484.64
  4. Step 4: Simplify right side
    5,380.32x = 11,982,648.21
  5. Step 5: Solve for x
    x = 11,982,648.21/5,380.32
  6. Step 6: Final answer
    x = 2,227.13

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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.