Home / 5,382.90-7,426.56-3,364.95

Finding the Fourth Proportional to 5,382.90, 7,426.56 and 3,364.95

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Solution

The fourth proportional to 5,382.90, 7,426.56 and 3,364.95 is: 4,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.90 : 7,426.56 = 3,364.95 : x
  2. Step 2: Convert to fraction form
    5,382.90/7,426.56 = 3,364.95/x
  3. Step 3: Cross multiply
    5,382.90x = 7,426.56 × 3,364.95
  4. Step 4: Simplify right side
    5,382.90x = 24,990,003.07
  5. Step 5: Solve for x
    x = 24,990,003.07/5,382.90
  6. Step 6: Final answer
    x = 4,642.48

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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.