Home / 5,279.16-7,284.09-3,365.70

Finding the Fourth Proportional to 5,279.16, 7,284.09 and 3,365.70

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Solution

The fourth proportional to 5,279.16, 7,284.09 and 3,365.70 is: 4,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.16 : 7,284.09 = 3,365.70 : x
  2. Step 2: Convert to fraction form
    5,279.16/7,284.09 = 3,365.70/x
  3. Step 3: Cross multiply
    5,279.16x = 7,284.09 × 3,365.70
  4. Step 4: Simplify right side
    5,279.16x = 24,516,079.23
  5. Step 5: Solve for x
    x = 24,516,079.23/5,279.16
  6. Step 6: Final answer
    x = 4,643.94

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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.