Home / 7,520.29-11,280.38-1,973.57

Finding the Fourth Proportional to 7,520.29, 11,280.38 and 1,973.57

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Solution

The fourth proportional to 7,520.29, 11,280.38 and 1,973.57 is: 2,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.29 : 11,280.38 = 1,973.57 : x
  2. Step 2: Convert to fraction form
    7,520.29/11,280.38 = 1,973.57/x
  3. Step 3: Cross multiply
    7,520.29x = 11,280.38 × 1,973.57
  4. Step 4: Simplify right side
    7,520.29x = 22,262,564.39
  5. Step 5: Solve for x
    x = 22,262,564.39/7,520.29
  6. Step 6: Final answer
    x = 2,960.33

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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.