Home / 7,547.09-11,318.06-2,615.57

Finding the Fourth Proportional to 7,547.09, 11,318.06 and 2,615.57

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Solution

The fourth proportional to 7,547.09, 11,318.06 and 2,615.57 is: 3,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.09 : 11,318.06 = 2,615.57 : x
  2. Step 2: Convert to fraction form
    7,547.09/11,318.06 = 2,615.57/x
  3. Step 3: Cross multiply
    7,547.09x = 11,318.06 × 2,615.57
  4. Step 4: Simplify right side
    7,547.09x = 29,603,234.25
  5. Step 5: Solve for x
    x = 29,603,234.25/7,547.09
  6. Step 6: Final answer
    x = 3,922.47

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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.