Home / 5,570.92-7,681.26-3,581.56

Finding the Fourth Proportional to 5,570.92, 7,681.26 and 3,581.56

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Solution

The fourth proportional to 5,570.92, 7,681.26 and 3,581.56 is: 4,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.92 : 7,681.26 = 3,581.56 : x
  2. Step 2: Convert to fraction form
    5,570.92/7,681.26 = 3,581.56/x
  3. Step 3: Cross multiply
    5,570.92x = 7,681.26 × 3,581.56
  4. Step 4: Simplify right side
    5,570.92x = 27,510,893.57
  5. Step 5: Solve for x
    x = 27,510,893.57/5,570.92
  6. Step 6: Final answer
    x = 4,938.30

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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.