Home / 5,274.08-7,279.02-3,035.80

Finding the Fourth Proportional to 5,274.08, 7,279.02 and 3,035.80

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Solution

The fourth proportional to 5,274.08, 7,279.02 and 3,035.80 is: 4,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.08 : 7,279.02 = 3,035.80 : x
  2. Step 2: Convert to fraction form
    5,274.08/7,279.02 = 3,035.80/x
  3. Step 3: Cross multiply
    5,274.08x = 7,279.02 × 3,035.80
  4. Step 4: Simplify right side
    5,274.08x = 22,097,648.92
  5. Step 5: Solve for x
    x = 22,097,648.92/5,274.08
  6. Step 6: Final answer
    x = 4,189.86

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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.