Home / 8,184.36-12,277.62-2,988.48

Finding the Fourth Proportional to 8,184.36, 12,277.62 and 2,988.48

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Solution

The fourth proportional to 8,184.36, 12,277.62 and 2,988.48 is: 4,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.36 : 12,277.62 = 2,988.48 : x
  2. Step 2: Convert to fraction form
    8,184.36/12,277.62 = 2,988.48/x
  3. Step 3: Cross multiply
    8,184.36x = 12,277.62 × 2,988.48
  4. Step 4: Simplify right side
    8,184.36x = 36,691,421.82
  5. Step 5: Solve for x
    x = 36,691,421.82/8,184.36
  6. Step 6: Final answer
    x = 4,483.11

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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.