Home / 7,317.15-10,972.89-2,636.16

Finding the Fourth Proportional to 7,317.15, 10,972.89 and 2,636.16

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Solution

The fourth proportional to 7,317.15, 10,972.89 and 2,636.16 is: 3,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.15 : 10,972.89 = 2,636.16 : x
  2. Step 2: Convert to fraction form
    7,317.15/10,972.89 = 2,636.16/x
  3. Step 3: Cross multiply
    7,317.15x = 10,972.89 × 2,636.16
  4. Step 4: Simplify right side
    7,317.15x = 28,926,293.70
  5. Step 5: Solve for x
    x = 28,926,293.70/7,317.15
  6. Step 6: Final answer
    x = 3,953.22

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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.