Home / 5,380.40-8,059.26-2,461.16

Finding the Fourth Proportional to 5,380.40, 8,059.26 and 2,461.16

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Solution

The fourth proportional to 5,380.40, 8,059.26 and 2,461.16 is: 3,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.40 : 8,059.26 = 2,461.16 : x
  2. Step 2: Convert to fraction form
    5,380.40/8,059.26 = 2,461.16/x
  3. Step 3: Cross multiply
    5,380.40x = 8,059.26 × 2,461.16
  4. Step 4: Simplify right side
    5,380.40x = 19,835,128.34
  5. Step 5: Solve for x
    x = 19,835,128.34/5,380.40
  6. Step 6: Final answer
    x = 3,686.55

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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.