Home / 7,322.76-10,110-5,640.99

Finding the Fourth Proportional to 7,322.76, 10,110 and 5,640.99

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Solution

The fourth proportional to 7,322.76, 10,110 and 5,640.99 is: 7,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.76 : 10,110 = 5,640.99 : x
  2. Step 2: Convert to fraction form
    7,322.76/10,110 = 5,640.99/x
  3. Step 3: Cross multiply
    7,322.76x = 10,110 × 5,640.99
  4. Step 4: Simplify right side
    7,322.76x = 57,030,408.90
  5. Step 5: Solve for x
    x = 57,030,408.90/7,322.76
  6. Step 6: Final answer
    x = 7,788.10

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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.