Home / 5,780.91-7,977.20-3,263.63

Finding the Fourth Proportional to 5,780.91, 7,977.20 and 3,263.63

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Solution

The fourth proportional to 5,780.91, 7,977.20 and 3,263.63 is: 4,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.91 : 7,977.20 = 3,263.63 : x
  2. Step 2: Convert to fraction form
    5,780.91/7,977.20 = 3,263.63/x
  3. Step 3: Cross multiply
    5,780.91x = 7,977.20 × 3,263.63
  4. Step 4: Simplify right side
    5,780.91x = 26,034,621.08
  5. Step 5: Solve for x
    x = 26,034,621.08/5,780.91
  6. Step 6: Final answer
    x = 4,503.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.