Home / 4,309.65-5,947.43-2,421.09

Finding the Fourth Proportional to 4,309.65, 5,947.43 and 2,421.09

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Solution

The fourth proportional to 4,309.65, 5,947.43 and 2,421.09 is: 3,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.65 : 5,947.43 = 2,421.09 : x
  2. Step 2: Convert to fraction form
    4,309.65/5,947.43 = 2,421.09/x
  3. Step 3: Cross multiply
    4,309.65x = 5,947.43 × 2,421.09
  4. Step 4: Simplify right side
    4,309.65x = 14,399,251.19
  5. Step 5: Solve for x
    x = 14,399,251.19/4,309.65
  6. Step 6: Final answer
    x = 3,341.16

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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.