Home / 4,275.45-6,401.59-2,219.13

Finding the Fourth Proportional to 4,275.45, 6,401.59 and 2,219.13

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Solution

The fourth proportional to 4,275.45, 6,401.59 and 2,219.13 is: 3,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.45 : 6,401.59 = 2,219.13 : x
  2. Step 2: Convert to fraction form
    4,275.45/6,401.59 = 2,219.13/x
  3. Step 3: Cross multiply
    4,275.45x = 6,401.59 × 2,219.13
  4. Step 4: Simplify right side
    4,275.45x = 14,205,960.42
  5. Step 5: Solve for x
    x = 14,205,960.42/4,275.45
  6. Step 6: Final answer
    x = 3,322.68

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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.