Home / 4,182.79-6,275.54-2,518.72

Finding the Fourth Proportional to 4,182.79, 6,275.54 and 2,518.72

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Solution

The fourth proportional to 4,182.79, 6,275.54 and 2,518.72 is: 3,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.79 : 6,275.54 = 2,518.72 : x
  2. Step 2: Convert to fraction form
    4,182.79/6,275.54 = 2,518.72/x
  3. Step 3: Cross multiply
    4,182.79x = 6,275.54 × 2,518.72
  4. Step 4: Simplify right side
    4,182.79x = 15,806,328.11
  5. Step 5: Solve for x
    x = 15,806,328.11/4,182.79
  6. Step 6: Final answer
    x = 3,778.90

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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.