Home / 7,716.32-10,648.47-4,359.18

Finding the Fourth Proportional to 7,716.32, 10,648.47 and 4,359.18

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Solution

The fourth proportional to 7,716.32, 10,648.47 and 4,359.18 is: 6,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.32 : 10,648.47 = 4,359.18 : x
  2. Step 2: Convert to fraction form
    7,716.32/10,648.47 = 4,359.18/x
  3. Step 3: Cross multiply
    7,716.32x = 10,648.47 × 4,359.18
  4. Step 4: Simplify right side
    7,716.32x = 46,418,597.45
  5. Step 5: Solve for x
    x = 46,418,597.45/7,716.32
  6. Step 6: Final answer
    x = 6,015.64

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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.