Home / 5,477.60-8,216.38-2,191.46

Finding the Fourth Proportional to 5,477.60, 8,216.38 and 2,191.46

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Solution

The fourth proportional to 5,477.60, 8,216.38 and 2,191.46 is: 3,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.60 : 8,216.38 = 2,191.46 : x
  2. Step 2: Convert to fraction form
    5,477.60/8,216.38 = 2,191.46/x
  3. Step 3: Cross multiply
    5,477.60x = 8,216.38 × 2,191.46
  4. Step 4: Simplify right side
    5,477.60x = 18,005,868.11
  5. Step 5: Solve for x
    x = 18,005,868.11/5,477.60
  6. Step 6: Final answer
    x = 3,287.18

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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.