Home / 5,277.28-7,909.20-3,975.04

Finding the Fourth Proportional to 5,277.28, 7,909.20 and 3,975.04

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Solution

The fourth proportional to 5,277.28, 7,909.20 and 3,975.04 is: 5,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.28 : 7,909.20 = 3,975.04 : x
  2. Step 2: Convert to fraction form
    5,277.28/7,909.20 = 3,975.04/x
  3. Step 3: Cross multiply
    5,277.28x = 7,909.20 × 3,975.04
  4. Step 4: Simplify right side
    5,277.28x = 31,439,386.37
  5. Step 5: Solve for x
    x = 31,439,386.37/5,277.28
  6. Step 6: Final answer
    x = 5,957.50

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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.