Home / 7,418.34-11,127.58-2,488.05

Finding the Fourth Proportional to 7,418.34, 11,127.58 and 2,488.05

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Solution

The fourth proportional to 7,418.34, 11,127.58 and 2,488.05 is: 3,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.34 : 11,127.58 = 2,488.05 : x
  2. Step 2: Convert to fraction form
    7,418.34/11,127.58 = 2,488.05/x
  3. Step 3: Cross multiply
    7,418.34x = 11,127.58 × 2,488.05
  4. Step 4: Simplify right side
    7,418.34x = 27,685,969.20
  5. Step 5: Solve for x
    x = 27,685,969.20/7,418.34
  6. Step 6: Final answer
    x = 3,732.10

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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.