Home / 5,309.30-7,327.14-2,952.20

Finding the Fourth Proportional to 5,309.30, 7,327.14 and 2,952.20

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Solution

The fourth proportional to 5,309.30, 7,327.14 and 2,952.20 is: 4,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.30 : 7,327.14 = 2,952.20 : x
  2. Step 2: Convert to fraction form
    5,309.30/7,327.14 = 2,952.20/x
  3. Step 3: Cross multiply
    5,309.30x = 7,327.14 × 2,952.20
  4. Step 4: Simplify right side
    5,309.30x = 21,631,182.71
  5. Step 5: Solve for x
    x = 21,631,182.71/5,309.30
  6. Step 6: Final answer
    x = 4,074.21

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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.