Home / 7,716.20-10,648.28-4,358.95

Finding the Fourth Proportional to 7,716.20, 10,648.28 and 4,358.95

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Solution

The fourth proportional to 7,716.20, 10,648.28 and 4,358.95 is: 6,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.20 : 10,648.28 = 4,358.95 : x
  2. Step 2: Convert to fraction form
    7,716.20/10,648.28 = 4,358.95/x
  3. Step 3: Cross multiply
    7,716.20x = 10,648.28 × 4,358.95
  4. Step 4: Simplify right side
    7,716.20x = 46,415,304.38
  5. Step 5: Solve for x
    x = 46,415,304.38/7,716.20
  6. Step 6: Final answer
    x = 6,015.31

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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.