Home / 4,487.28-6,719.40-4,095.60

Finding the Fourth Proportional to 4,487.28, 6,719.40 and 4,095.60

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Solution

The fourth proportional to 4,487.28, 6,719.40 and 4,095.60 is: 6,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.28 : 6,719.40 = 4,095.60 : x
  2. Step 2: Convert to fraction form
    4,487.28/6,719.40 = 4,095.60/x
  3. Step 3: Cross multiply
    4,487.28x = 6,719.40 × 4,095.60
  4. Step 4: Simplify right side
    4,487.28x = 27,519,974.64
  5. Step 5: Solve for x
    x = 27,519,974.64/4,487.28
  6. Step 6: Final answer
    x = 6,132.89

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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.