Home / 7,042.50-10,567.40-3,579.75

Finding the Fourth Proportional to 7,042.50, 10,567.40 and 3,579.75

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Solution

The fourth proportional to 7,042.50, 10,567.40 and 3,579.75 is: 5,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.50 : 10,567.40 = 3,579.75 : x
  2. Step 2: Convert to fraction form
    7,042.50/10,567.40 = 3,579.75/x
  3. Step 3: Cross multiply
    7,042.50x = 10,567.40 × 3,579.75
  4. Step 4: Simplify right side
    7,042.50x = 37,828,632.25
  5. Step 5: Solve for x
    x = 37,828,632.25/7,042.50
  6. Step 6: Final answer
    x = 5,371.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.