Home / 7,318.65-10,976.85-2,388.30

Finding the Fourth Proportional to 7,318.65, 10,976.85 and 2,388.30

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Solution

The fourth proportional to 7,318.65, 10,976.85 and 2,388.30 is: 3,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.65 : 10,976.85 = 2,388.30 : x
  2. Step 2: Convert to fraction form
    7,318.65/10,976.85 = 2,388.30/x
  3. Step 3: Cross multiply
    7,318.65x = 10,976.85 × 2,388.30
  4. Step 4: Simplify right side
    7,318.65x = 26,215,955.97
  5. Step 5: Solve for x
    x = 26,215,955.97/7,318.65
  6. Step 6: Final answer
    x = 3,582.08

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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.