Home / 5,730.09-7,907.50-3,212.20

Finding the Fourth Proportional to 5,730.09, 7,907.50 and 3,212.20

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Solution

The fourth proportional to 5,730.09, 7,907.50 and 3,212.20 is: 4,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.09 : 7,907.50 = 3,212.20 : x
  2. Step 2: Convert to fraction form
    5,730.09/7,907.50 = 3,212.20/x
  3. Step 3: Cross multiply
    5,730.09x = 7,907.50 × 3,212.20
  4. Step 4: Simplify right side
    5,730.09x = 25,400,471.50
  5. Step 5: Solve for x
    x = 25,400,471.50/5,730.09
  6. Step 6: Final answer
    x = 4,432.82

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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.