Home / 5,309.18-7,326.04-2,918.76

Finding the Fourth Proportional to 5,309.18, 7,326.04 and 2,918.76

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Solution

The fourth proportional to 5,309.18, 7,326.04 and 2,918.76 is: 4,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.18 : 7,326.04 = 2,918.76 : x
  2. Step 2: Convert to fraction form
    5,309.18/7,326.04 = 2,918.76/x
  3. Step 3: Cross multiply
    5,309.18x = 7,326.04 × 2,918.76
  4. Step 4: Simplify right side
    5,309.18x = 21,382,956.21
  5. Step 5: Solve for x
    x = 21,382,956.21/5,309.18
  6. Step 6: Final answer
    x = 4,027.54

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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.