Home / 7,799.76-11,703.28-4,515.62

Finding the Fourth Proportional to 7,799.76, 11,703.28 and 4,515.62

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Solution

The fourth proportional to 7,799.76, 11,703.28 and 4,515.62 is: 6,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.76 : 11,703.28 = 4,515.62 : x
  2. Step 2: Convert to fraction form
    7,799.76/11,703.28 = 4,515.62/x
  3. Step 3: Cross multiply
    7,799.76x = 11,703.28 × 4,515.62
  4. Step 4: Simplify right side
    7,799.76x = 52,847,565.23
  5. Step 5: Solve for x
    x = 52,847,565.23/7,799.76
  6. Step 6: Final answer
    x = 6,775.54

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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.