Home / 7,022.12-10,534.67-2,639.61

Finding the Fourth Proportional to 7,022.12, 10,534.67 and 2,639.61

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Solution

The fourth proportional to 7,022.12, 10,534.67 and 2,639.61 is: 3,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.12 : 10,534.67 = 2,639.61 : x
  2. Step 2: Convert to fraction form
    7,022.12/10,534.67 = 2,639.61/x
  3. Step 3: Cross multiply
    7,022.12x = 10,534.67 × 2,639.61
  4. Step 4: Simplify right side
    7,022.12x = 27,807,407.08
  5. Step 5: Solve for x
    x = 27,807,407.08/7,022.12
  6. Step 6: Final answer
    x = 3,959.98

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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.