Home / 5,435.56-7,500.55-4,319.20

Finding the Fourth Proportional to 5,435.56, 7,500.55 and 4,319.20

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Solution

The fourth proportional to 5,435.56, 7,500.55 and 4,319.20 is: 5,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.56 : 7,500.55 = 4,319.20 : x
  2. Step 2: Convert to fraction form
    5,435.56/7,500.55 = 4,319.20/x
  3. Step 3: Cross multiply
    5,435.56x = 7,500.55 × 4,319.20
  4. Step 4: Simplify right side
    5,435.56x = 32,396,375.56
  5. Step 5: Solve for x
    x = 32,396,375.56/5,435.56
  6. Step 6: Final answer
    x = 5,960.08

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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.