Home / 8,313.81-12,473.06-3,386.99

Finding the Fourth Proportional to 8,313.81, 12,473.06 and 3,386.99

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Solution

The fourth proportional to 8,313.81, 12,473.06 and 3,386.99 is: 5,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.81 : 12,473.06 = 3,386.99 : x
  2. Step 2: Convert to fraction form
    8,313.81/12,473.06 = 3,386.99/x
  3. Step 3: Cross multiply
    8,313.81x = 12,473.06 × 3,386.99
  4. Step 4: Simplify right side
    8,313.81x = 42,246,129.49
  5. Step 5: Solve for x
    x = 42,246,129.49/8,313.81
  6. Step 6: Final answer
    x = 5,081.44

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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.