Home / 7,617.43-10,511.33-4,259.78

Finding the Fourth Proportional to 7,617.43, 10,511.33 and 4,259.78

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Solution

The fourth proportional to 7,617.43, 10,511.33 and 4,259.78 is: 5,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.43 : 10,511.33 = 4,259.78 : x
  2. Step 2: Convert to fraction form
    7,617.43/10,511.33 = 4,259.78/x
  3. Step 3: Cross multiply
    7,617.43x = 10,511.33 × 4,259.78
  4. Step 4: Simplify right side
    7,617.43x = 44,775,953.31
  5. Step 5: Solve for x
    x = 44,775,953.31/7,617.43
  6. Step 6: Final answer
    x = 5,878.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.