Home / 7,382.61-11,074.86-2,385.18

Finding the Fourth Proportional to 7,382.61, 11,074.86 and 2,385.18

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Solution

The fourth proportional to 7,382.61, 11,074.86 and 2,385.18 is: 3,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.61 : 11,074.86 = 2,385.18 : x
  2. Step 2: Convert to fraction form
    7,382.61/11,074.86 = 2,385.18/x
  3. Step 3: Cross multiply
    7,382.61x = 11,074.86 × 2,385.18
  4. Step 4: Simplify right side
    7,382.61x = 26,415,534.57
  5. Step 5: Solve for x
    x = 26,415,534.57/7,382.61
  6. Step 6: Final answer
    x = 3,578.08

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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.