Home / 7,507.20-11,258.10-3,808.20

Finding the Fourth Proportional to 7,507.20, 11,258.10 and 3,808.20

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Solution

The fourth proportional to 7,507.20, 11,258.10 and 3,808.20 is: 5,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.20 : 11,258.10 = 3,808.20 : x
  2. Step 2: Convert to fraction form
    7,507.20/11,258.10 = 3,808.20/x
  3. Step 3: Cross multiply
    7,507.20x = 11,258.10 × 3,808.20
  4. Step 4: Simplify right side
    7,507.20x = 42,873,096.42
  5. Step 5: Solve for x
    x = 42,873,096.42/7,507.20
  6. Step 6: Final answer
    x = 5,710.93

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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.