Home / 6,575.60-9,074.12-3,921.64

Finding the Fourth Proportional to 6,575.60, 9,074.12 and 3,921.64

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Solution

The fourth proportional to 6,575.60, 9,074.12 and 3,921.64 is: 5,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.60 : 9,074.12 = 3,921.64 : x
  2. Step 2: Convert to fraction form
    6,575.60/9,074.12 = 3,921.64/x
  3. Step 3: Cross multiply
    6,575.60x = 9,074.12 × 3,921.64
  4. Step 4: Simplify right side
    6,575.60x = 35,585,431.96
  5. Step 5: Solve for x
    x = 35,585,431.96/6,575.60
  6. Step 6: Final answer
    x = 5,411.74

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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.