Home / 7,389.84-11,086.02-3,691.38

Finding the Fourth Proportional to 7,389.84, 11,086.02 and 3,691.38

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Solution

The fourth proportional to 7,389.84, 11,086.02 and 3,691.38 is: 5,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.84 : 11,086.02 = 3,691.38 : x
  2. Step 2: Convert to fraction form
    7,389.84/11,086.02 = 3,691.38/x
  3. Step 3: Cross multiply
    7,389.84x = 11,086.02 × 3,691.38
  4. Step 4: Simplify right side
    7,389.84x = 40,922,712.51
  5. Step 5: Solve for x
    x = 40,922,712.51/7,389.84
  6. Step 6: Final answer
    x = 5,537.70

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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.