Home / 7,515.68-11,264.92-4,705.80

Finding the Fourth Proportional to 7,515.68, 11,264.92 and 4,705.80

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Solution

The fourth proportional to 7,515.68, 11,264.92 and 4,705.80 is: 7,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.68 : 11,264.92 = 4,705.80 : x
  2. Step 2: Convert to fraction form
    7,515.68/11,264.92 = 4,705.80/x
  3. Step 3: Cross multiply
    7,515.68x = 11,264.92 × 4,705.80
  4. Step 4: Simplify right side
    7,515.68x = 53,010,460.54
  5. Step 5: Solve for x
    x = 53,010,460.54/7,515.68
  6. Step 6: Final answer
    x = 7,053.32

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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.