Home / 5,132.84-7,715.31-3,389.05

Finding the Fourth Proportional to 5,132.84, 7,715.31 and 3,389.05

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Solution

The fourth proportional to 5,132.84, 7,715.31 and 3,389.05 is: 5,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.84 : 7,715.31 = 3,389.05 : x
  2. Step 2: Convert to fraction form
    5,132.84/7,715.31 = 3,389.05/x
  3. Step 3: Cross multiply
    5,132.84x = 7,715.31 × 3,389.05
  4. Step 4: Simplify right side
    5,132.84x = 26,147,571.36
  5. Step 5: Solve for x
    x = 26,147,571.36/5,132.84
  6. Step 6: Final answer
    x = 5,094.17

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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.