Home / 7,329.28-10,118.99-5,647.49

Finding the Fourth Proportional to 7,329.28, 10,118.99 and 5,647.49

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Solution

The fourth proportional to 7,329.28, 10,118.99 and 5,647.49 is: 7,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.28 : 10,118.99 = 5,647.49 : x
  2. Step 2: Convert to fraction form
    7,329.28/10,118.99 = 5,647.49/x
  3. Step 3: Cross multiply
    7,329.28x = 10,118.99 × 5,647.49
  4. Step 4: Simplify right side
    7,329.28x = 57,146,894.84
  5. Step 5: Solve for x
    x = 57,146,894.84/7,329.28
  6. Step 6: Final answer
    x = 7,797.07

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1.5x scale

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.