Home / 5,518.26-7,612.63-3,159.13

Finding the Fourth Proportional to 5,518.26, 7,612.63 and 3,159.13

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Solution

The fourth proportional to 5,518.26, 7,612.63 and 3,159.13 is: 4,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.26 : 7,612.63 = 3,159.13 : x
  2. Step 2: Convert to fraction form
    5,518.26/7,612.63 = 3,159.13/x
  3. Step 3: Cross multiply
    5,518.26x = 7,612.63 × 3,159.13
  4. Step 4: Simplify right side
    5,518.26x = 24,049,287.81
  5. Step 5: Solve for x
    x = 24,049,287.81/5,518.26
  6. Step 6: Final answer
    x = 4,358.13

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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.