Home / 7,766.13-10,715.44-4,408.19

Finding the Fourth Proportional to 7,766.13, 10,715.44 and 4,408.19

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Solution

The fourth proportional to 7,766.13, 10,715.44 and 4,408.19 is: 6,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.13 : 10,715.44 = 4,408.19 : x
  2. Step 2: Convert to fraction form
    7,766.13/10,715.44 = 4,408.19/x
  3. Step 3: Cross multiply
    7,766.13x = 10,715.44 × 4,408.19
  4. Step 4: Simplify right side
    7,766.13x = 47,235,695.45
  5. Step 5: Solve for x
    x = 47,235,695.45/7,766.13
  6. Step 6: Final answer
    x = 6,082.27

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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.