Home / 5,378.51-8,061.93-2,260.22

Finding the Fourth Proportional to 5,378.51, 8,061.93 and 2,260.22

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Solution

The fourth proportional to 5,378.51, 8,061.93 and 2,260.22 is: 3,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.51 : 8,061.93 = 2,260.22 : x
  2. Step 2: Convert to fraction form
    5,378.51/8,061.93 = 2,260.22/x
  3. Step 3: Cross multiply
    5,378.51x = 8,061.93 × 2,260.22
  4. Step 4: Simplify right side
    5,378.51x = 18,221,695.11
  5. Step 5: Solve for x
    x = 18,221,695.11/5,378.51
  6. Step 6: Final answer
    x = 3,387.87

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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.