Home / 7,570.61-11,352.68-2,638.79

Finding the Fourth Proportional to 7,570.61, 11,352.68 and 2,638.79

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Solution

The fourth proportional to 7,570.61, 11,352.68 and 2,638.79 is: 3,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.61 : 11,352.68 = 2,638.79 : x
  2. Step 2: Convert to fraction form
    7,570.61/11,352.68 = 2,638.79/x
  3. Step 3: Cross multiply
    7,570.61x = 11,352.68 × 2,638.79
  4. Step 4: Simplify right side
    7,570.61x = 29,957,325.26
  5. Step 5: Solve for x
    x = 29,957,325.26/7,570.61
  6. Step 6: Final answer
    x = 3,957.06

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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.