Home / 5,155.20-7,726.32-4,740.48

Finding the Fourth Proportional to 5,155.20, 7,726.32 and 4,740.48

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Solution

The fourth proportional to 5,155.20, 7,726.32 and 4,740.48 is: 7,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.20 : 7,726.32 = 4,740.48 : x
  2. Step 2: Convert to fraction form
    5,155.20/7,726.32 = 4,740.48/x
  3. Step 3: Cross multiply
    5,155.20x = 7,726.32 × 4,740.48
  4. Step 4: Simplify right side
    5,155.20x = 36,626,465.43
  5. Step 5: Solve for x
    x = 36,626,465.43/5,155.20
  6. Step 6: Final answer
    x = 7,104.76

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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.