Home / 5,427.01-8,141.07-1,478.35

Finding the Fourth Proportional to 5,427.01, 8,141.07 and 1,478.35

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Solution

The fourth proportional to 5,427.01, 8,141.07 and 1,478.35 is: 2,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.01 : 8,141.07 = 1,478.35 : x
  2. Step 2: Convert to fraction form
    5,427.01/8,141.07 = 1,478.35/x
  3. Step 3: Cross multiply
    5,427.01x = 8,141.07 × 1,478.35
  4. Step 4: Simplify right side
    5,427.01x = 12,035,350.83
  5. Step 5: Solve for x
    x = 12,035,350.83/5,427.01
  6. Step 6: Final answer
    x = 2,217.68

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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.