Home / 8,313.66-12,475.08-3,386.77

Finding the Fourth Proportional to 8,313.66, 12,475.08 and 3,386.77

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Solution

The fourth proportional to 8,313.66, 12,475.08 and 3,386.77 is: 5,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.66 : 12,475.08 = 3,386.77 : x
  2. Step 2: Convert to fraction form
    8,313.66/12,475.08 = 3,386.77/x
  3. Step 3: Cross multiply
    8,313.66x = 12,475.08 × 3,386.77
  4. Step 4: Simplify right side
    8,313.66x = 42,250,226.69
  5. Step 5: Solve for x
    x = 42,250,226.69/8,313.66
  6. Step 6: Final answer
    x = 5,082.02

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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.