Home / 7,816.32-11,727.18-4,891.14

Finding the Fourth Proportional to 7,816.32, 11,727.18 and 4,891.14

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Solution

The fourth proportional to 7,816.32, 11,727.18 and 4,891.14 is: 7,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.32 : 11,727.18 = 4,891.14 : x
  2. Step 2: Convert to fraction form
    7,816.32/11,727.18 = 4,891.14/x
  3. Step 3: Cross multiply
    7,816.32x = 11,727.18 × 4,891.14
  4. Step 4: Simplify right side
    7,816.32x = 57,359,279.19
  5. Step 5: Solve for x
    x = 57,359,279.19/7,816.32
  6. Step 6: Final answer
    x = 7,338.40

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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.