Home / 7,318.37-10,977.57-2,388.39

Finding the Fourth Proportional to 7,318.37, 10,977.57 and 2,388.39

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Solution

The fourth proportional to 7,318.37, 10,977.57 and 2,388.39 is: 3,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.37 : 10,977.57 = 2,388.39 : x
  2. Step 2: Convert to fraction form
    7,318.37/10,977.57 = 2,388.39/x
  3. Step 3: Cross multiply
    7,318.37x = 10,977.57 × 2,388.39
  4. Step 4: Simplify right side
    7,318.37x = 26,218,718.41
  5. Step 5: Solve for x
    x = 26,218,718.41/7,318.37
  6. Step 6: Final answer
    x = 3,582.59

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Similar ratio
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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.