Home / 9,119.76-13,680.99-3,275.01

Finding the Fourth Proportional to 9,119.76, 13,680.99 and 3,275.01

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Solution

The fourth proportional to 9,119.76, 13,680.99 and 3,275.01 is: 4,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.76 : 13,680.99 = 3,275.01 : x
  2. Step 2: Convert to fraction form
    9,119.76/13,680.99 = 3,275.01/x
  3. Step 3: Cross multiply
    9,119.76x = 13,680.99 × 3,275.01
  4. Step 4: Simplify right side
    9,119.76x = 44,805,379.06
  5. Step 5: Solve for x
    x = 44,805,379.06/9,119.76
  6. Step 6: Final answer
    x = 4,913.00

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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.