Home / 7,318.52-10,977.88-2,388.12

Finding the Fourth Proportional to 7,318.52, 10,977.88 and 2,388.12

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Solution

The fourth proportional to 7,318.52, 10,977.88 and 2,388.12 is: 3,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.52 : 10,977.88 = 2,388.12 : x
  2. Step 2: Convert to fraction form
    7,318.52/10,977.88 = 2,388.12/x
  3. Step 3: Cross multiply
    7,318.52x = 10,977.88 × 2,388.12
  4. Step 4: Simplify right side
    7,318.52x = 26,216,494.79
  5. Step 5: Solve for x
    x = 26,216,494.79/7,318.52
  6. Step 6: Final answer
    x = 3,582.21

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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.