Home / 5,381.12-8,070.74-1,484.60

Finding the Fourth Proportional to 5,381.12, 8,070.74 and 1,484.60

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Solution

The fourth proportional to 5,381.12, 8,070.74 and 1,484.60 is: 2,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.12 : 8,070.74 = 1,484.60 : x
  2. Step 2: Convert to fraction form
    5,381.12/8,070.74 = 1,484.60/x
  3. Step 3: Cross multiply
    5,381.12x = 8,070.74 × 1,484.60
  4. Step 4: Simplify right side
    5,381.12x = 11,981,820.60
  5. Step 5: Solve for x
    x = 11,981,820.60/5,381.12
  6. Step 6: Final answer
    x = 2,226.64

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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.