Home / 5,570.25-7,686.95-3,212.75

Finding the Fourth Proportional to 5,570.25, 7,686.95 and 3,212.75

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Solution

The fourth proportional to 5,570.25, 7,686.95 and 3,212.75 is: 4,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.25 : 7,686.95 = 3,212.75 : x
  2. Step 2: Convert to fraction form
    5,570.25/7,686.95 = 3,212.75/x
  3. Step 3: Cross multiply
    5,570.25x = 7,686.95 × 3,212.75
  4. Step 4: Simplify right side
    5,570.25x = 24,696,194.11
  5. Step 5: Solve for x
    x = 24,696,194.11/5,570.25
  6. Step 6: Final answer
    x = 4,433.59

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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.