Home / 5,287.19-7,296.23-3,164.28

Finding the Fourth Proportional to 5,287.19, 7,296.23 and 3,164.28

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Solution

The fourth proportional to 5,287.19, 7,296.23 and 3,164.28 is: 4,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.19 : 7,296.23 = 3,164.28 : x
  2. Step 2: Convert to fraction form
    5,287.19/7,296.23 = 3,164.28/x
  3. Step 3: Cross multiply
    5,287.19x = 7,296.23 × 3,164.28
  4. Step 4: Simplify right side
    5,287.19x = 23,087,298.84
  5. Step 5: Solve for x
    x = 23,087,298.84/5,287.19
  6. Step 6: Final answer
    x = 4,366.65

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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.