Home / 8,260.17-11,396.25-4,720.87

Finding the Fourth Proportional to 8,260.17, 11,396.25 and 4,720.87

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Solution

The fourth proportional to 8,260.17, 11,396.25 and 4,720.87 is: 6,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.17 : 11,396.25 = 4,720.87 : x
  2. Step 2: Convert to fraction form
    8,260.17/11,396.25 = 4,720.87/x
  3. Step 3: Cross multiply
    8,260.17x = 11,396.25 × 4,720.87
  4. Step 4: Simplify right side
    8,260.17x = 53,800,214.74
  5. Step 5: Solve for x
    x = 53,800,214.74/8,260.17
  6. Step 6: Final answer
    x = 6,513.21

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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.