Home / 5,340.48-8,010.72-1,445.19

Finding the Fourth Proportional to 5,340.48, 8,010.72 and 1,445.19

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Solution

The fourth proportional to 5,340.48, 8,010.72 and 1,445.19 is: 2,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.48 : 8,010.72 = 1,445.19 : x
  2. Step 2: Convert to fraction form
    5,340.48/8,010.72 = 1,445.19/x
  3. Step 3: Cross multiply
    5,340.48x = 8,010.72 × 1,445.19
  4. Step 4: Simplify right side
    5,340.48x = 11,576,965.16
  5. Step 5: Solve for x
    x = 11,576,965.16/5,340.48
  6. Step 6: Final answer
    x = 2,167.78

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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.