Home / 5,440.32-7,507.85-3,017.75

Finding the Fourth Proportional to 5,440.32, 7,507.85 and 3,017.75

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Solution

The fourth proportional to 5,440.32, 7,507.85 and 3,017.75 is: 4,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.32 : 7,507.85 = 3,017.75 : x
  2. Step 2: Convert to fraction form
    5,440.32/7,507.85 = 3,017.75/x
  3. Step 3: Cross multiply
    5,440.32x = 7,507.85 × 3,017.75
  4. Step 4: Simplify right side
    5,440.32x = 22,656,761.71
  5. Step 5: Solve for x
    x = 22,656,761.71/5,440.32
  6. Step 6: Final answer
    x = 4,164.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.