Home / 5,164.93-7,122.99-4,279.18

Finding the Fourth Proportional to 5,164.93, 7,122.99 and 4,279.18

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Solution

The fourth proportional to 5,164.93, 7,122.99 and 4,279.18 is: 5,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.93 : 7,122.99 = 4,279.18 : x
  2. Step 2: Convert to fraction form
    5,164.93/7,122.99 = 4,279.18/x
  3. Step 3: Cross multiply
    5,164.93x = 7,122.99 × 4,279.18
  4. Step 4: Simplify right side
    5,164.93x = 30,480,556.35
  5. Step 5: Solve for x
    x = 30,480,556.35/5,164.93
  6. Step 6: Final answer
    x = 5,901.45

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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.