Home / 7,639.22-10,541.94-4,282.20

Finding the Fourth Proportional to 7,639.22, 10,541.94 and 4,282.20

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Solution

The fourth proportional to 7,639.22, 10,541.94 and 4,282.20 is: 5,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.22 : 10,541.94 = 4,282.20 : x
  2. Step 2: Convert to fraction form
    7,639.22/10,541.94 = 4,282.20/x
  3. Step 3: Cross multiply
    7,639.22x = 10,541.94 × 4,282.20
  4. Step 4: Simplify right side
    7,639.22x = 45,142,695.47
  5. Step 5: Solve for x
    x = 45,142,695.47/7,639.22
  6. Step 6: Final answer
    x = 5,909.33

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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.