Home / 7,318.04-10,979.07-2,387.06

Finding the Fourth Proportional to 7,318.04, 10,979.07 and 2,387.06

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Solution

The fourth proportional to 7,318.04, 10,979.07 and 2,387.06 is: 3,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.04 : 10,979.07 = 2,387.06 : x
  2. Step 2: Convert to fraction form
    7,318.04/10,979.07 = 2,387.06/x
  3. Step 3: Cross multiply
    7,318.04x = 10,979.07 × 2,387.06
  4. Step 4: Simplify right side
    7,318.04x = 26,207,643.94
  5. Step 5: Solve for x
    x = 26,207,643.94/7,318.04
  6. Step 6: Final answer
    x = 3,581.24

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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.