Home / 7,547.62-11,316.16-2,867.90

Finding the Fourth Proportional to 7,547.62, 11,316.16 and 2,867.90

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Solution

The fourth proportional to 7,547.62, 11,316.16 and 2,867.90 is: 4,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.62 : 11,316.16 = 2,867.90 : x
  2. Step 2: Convert to fraction form
    7,547.62/11,316.16 = 2,867.90/x
  3. Step 3: Cross multiply
    7,547.62x = 11,316.16 × 2,867.90
  4. Step 4: Simplify right side
    7,547.62x = 32,453,615.26
  5. Step 5: Solve for x
    x = 32,453,615.26/7,547.62
  6. Step 6: Final answer
    x = 4,299.85

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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.