Home / 7,290.15-10,936.75-2,610.28

Finding the Fourth Proportional to 7,290.15, 10,936.75 and 2,610.28

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Solution

The fourth proportional to 7,290.15, 10,936.75 and 2,610.28 is: 3,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.15 : 10,936.75 = 2,610.28 : x
  2. Step 2: Convert to fraction form
    7,290.15/10,936.75 = 2,610.28/x
  3. Step 3: Cross multiply
    7,290.15x = 10,936.75 × 2,610.28
  4. Step 4: Simplify right side
    7,290.15x = 28,547,922.97
  5. Step 5: Solve for x
    x = 28,547,922.97/7,290.15
  6. Step 6: Final answer
    x = 3,915.96

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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.