Home / 4,207.11-5,805.74-2,318.87

Finding the Fourth Proportional to 4,207.11, 5,805.74 and 2,318.87

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Solution

The fourth proportional to 4,207.11, 5,805.74 and 2,318.87 is: 3,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.11 : 5,805.74 = 2,318.87 : x
  2. Step 2: Convert to fraction form
    4,207.11/5,805.74 = 2,318.87/x
  3. Step 3: Cross multiply
    4,207.11x = 5,805.74 × 2,318.87
  4. Step 4: Simplify right side
    4,207.11x = 13,462,756.31
  5. Step 5: Solve for x
    x = 13,462,756.31/4,207.11
  6. Step 6: Final answer
    x = 3,200.00

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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.