Home / 5,407.23-8,114.05-2,287.07

Finding the Fourth Proportional to 5,407.23, 8,114.05 and 2,287.07

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Solution

The fourth proportional to 5,407.23, 8,114.05 and 2,287.07 is: 3,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.23 : 8,114.05 = 2,287.07 : x
  2. Step 2: Convert to fraction form
    5,407.23/8,114.05 = 2,287.07/x
  3. Step 3: Cross multiply
    5,407.23x = 8,114.05 × 2,287.07
  4. Step 4: Simplify right side
    5,407.23x = 18,557,359.76
  5. Step 5: Solve for x
    x = 18,557,359.76/5,407.23
  6. Step 6: Final answer
    x = 3,431.95

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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.