Home / 8,319.50-12,476.56-2,771.36

Finding the Fourth Proportional to 8,319.50, 12,476.56 and 2,771.36

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Solution

The fourth proportional to 8,319.50, 12,476.56 and 2,771.36 is: 4,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.50 : 12,476.56 = 2,771.36 : x
  2. Step 2: Convert to fraction form
    8,319.50/12,476.56 = 2,771.36/x
  3. Step 3: Cross multiply
    8,319.50x = 12,476.56 × 2,771.36
  4. Step 4: Simplify right side
    8,319.50x = 34,577,039.32
  5. Step 5: Solve for x
    x = 34,577,039.32/8,319.50
  6. Step 6: Final answer
    x = 4,156.14

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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.