Home / 6,465.15-9,697.83-2,082.63

Finding the Fourth Proportional to 6,465.15, 9,697.83 and 2,082.63

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Solution

The fourth proportional to 6,465.15, 9,697.83 and 2,082.63 is: 3,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.15 : 9,697.83 = 2,082.63 : x
  2. Step 2: Convert to fraction form
    6,465.15/9,697.83 = 2,082.63/x
  3. Step 3: Cross multiply
    6,465.15x = 9,697.83 × 2,082.63
  4. Step 4: Simplify right side
    6,465.15x = 20,196,991.69
  5. Step 5: Solve for x
    x = 20,196,991.69/6,465.15
  6. Step 6: Final answer
    x = 3,123.98

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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.