Home / 5,341.78-7,371.81-2,984.07

Finding the Fourth Proportional to 5,341.78, 7,371.81 and 2,984.07

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Solution

The fourth proportional to 5,341.78, 7,371.81 and 2,984.07 is: 4,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.78 : 7,371.81 = 2,984.07 : x
  2. Step 2: Convert to fraction form
    5,341.78/7,371.81 = 2,984.07/x
  3. Step 3: Cross multiply
    5,341.78x = 7,371.81 × 2,984.07
  4. Step 4: Simplify right side
    5,341.78x = 21,998,024.71
  5. Step 5: Solve for x
    x = 21,998,024.71/5,341.78
  6. Step 6: Final answer
    x = 4,118.11

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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.