Home / 7,582.72-11,373.44-3,478.72

Finding the Fourth Proportional to 7,582.72, 11,373.44 and 3,478.72

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Solution

The fourth proportional to 7,582.72, 11,373.44 and 3,478.72 is: 5,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.72 : 11,373.44 = 3,478.72 : x
  2. Step 2: Convert to fraction form
    7,582.72/11,373.44 = 3,478.72/x
  3. Step 3: Cross multiply
    7,582.72x = 11,373.44 × 3,478.72
  4. Step 4: Simplify right side
    7,582.72x = 39,565,013.20
  5. Step 5: Solve for x
    x = 39,565,013.20/7,582.72
  6. Step 6: Final answer
    x = 5,217.79

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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.