Home / 4,709.20-6,499-2,719.84

Finding the Fourth Proportional to 4,709.20, 6,499 and 2,719.84

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Solution

The fourth proportional to 4,709.20, 6,499 and 2,719.84 is: 3,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.20 : 6,499 = 2,719.84 : x
  2. Step 2: Convert to fraction form
    4,709.20/6,499 = 2,719.84/x
  3. Step 3: Cross multiply
    4,709.20x = 6,499 × 2,719.84
  4. Step 4: Simplify right side
    4,709.20x = 17,676,240.16
  5. Step 5: Solve for x
    x = 17,676,240.16/4,709.20
  6. Step 6: Final answer
    x = 3,753.55

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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.