Home / 5,200.60-7,799.66-2,565.40

Finding the Fourth Proportional to 5,200.60, 7,799.66 and 2,565.40

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Solution

The fourth proportional to 5,200.60, 7,799.66 and 2,565.40 is: 3,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.60 : 7,799.66 = 2,565.40 : x
  2. Step 2: Convert to fraction form
    5,200.60/7,799.66 = 2,565.40/x
  3. Step 3: Cross multiply
    5,200.60x = 7,799.66 × 2,565.40
  4. Step 4: Simplify right side
    5,200.60x = 20,009,247.76
  5. Step 5: Solve for x
    x = 20,009,247.76/5,200.60
  6. Step 6: Final answer
    x = 3,847.49

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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.