Home / 4,722.30-6,515.10-2,732.40

Finding the Fourth Proportional to 4,722.30, 6,515.10 and 2,732.40

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Solution

The fourth proportional to 4,722.30, 6,515.10 and 2,732.40 is: 3,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.30 : 6,515.10 = 2,732.40 : x
  2. Step 2: Convert to fraction form
    4,722.30/6,515.10 = 2,732.40/x
  3. Step 3: Cross multiply
    4,722.30x = 6,515.10 × 2,732.40
  4. Step 4: Simplify right side
    4,722.30x = 17,801,859.24
  5. Step 5: Solve for x
    x = 17,801,859.24/4,722.30
  6. Step 6: Final answer
    x = 3,769.74

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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.