Home / 8,127.58-11,209.35-5,473.90

Finding the Fourth Proportional to 8,127.58, 11,209.35 and 5,473.90

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Solution

The fourth proportional to 8,127.58, 11,209.35 and 5,473.90 is: 7,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.58 : 11,209.35 = 5,473.90 : x
  2. Step 2: Convert to fraction form
    8,127.58/11,209.35 = 5,473.90/x
  3. Step 3: Cross multiply
    8,127.58x = 11,209.35 × 5,473.90
  4. Step 4: Simplify right side
    8,127.58x = 61,358,860.97
  5. Step 5: Solve for x
    x = 61,358,860.97/8,127.58
  6. Step 6: Final answer
    x = 7,549.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.