Home / 4,045.23-5,576.69-3,989.75

Finding the Fourth Proportional to 4,045.23, 5,576.69 and 3,989.75

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Solution

The fourth proportional to 4,045.23, 5,576.69 and 3,989.75 is: 5,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.23 : 5,576.69 = 3,989.75 : x
  2. Step 2: Convert to fraction form
    4,045.23/5,576.69 = 3,989.75/x
  3. Step 3: Cross multiply
    4,045.23x = 5,576.69 × 3,989.75
  4. Step 4: Simplify right side
    4,045.23x = 22,249,551.10
  5. Step 5: Solve for x
    x = 22,249,551.10/4,045.23
  6. Step 6: Final answer
    x = 5,500.19

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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.