Home / 8,338.68-12,557.25-7,256.07

Finding the Fourth Proportional to 8,338.68, 12,557.25 and 7,256.07

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Solution

The fourth proportional to 8,338.68, 12,557.25 and 7,256.07 is: 10,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.68 : 12,557.25 = 7,256.07 : x
  2. Step 2: Convert to fraction form
    8,338.68/12,557.25 = 7,256.07/x
  3. Step 3: Cross multiply
    8,338.68x = 12,557.25 × 7,256.07
  4. Step 4: Simplify right side
    8,338.68x = 91,116,285.01
  5. Step 5: Solve for x
    x = 91,116,285.01/8,338.68
  6. Step 6: Final answer
    x = 10,926.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.