Home / 8,318.69-12,477.99-2,475.29

Finding the Fourth Proportional to 8,318.69, 12,477.99 and 2,475.29

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Solution

The fourth proportional to 8,318.69, 12,477.99 and 2,475.29 is: 3,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.69 : 12,477.99 = 2,475.29 : x
  2. Step 2: Convert to fraction form
    8,318.69/12,477.99 = 2,475.29/x
  3. Step 3: Cross multiply
    8,318.69x = 12,477.99 × 2,475.29
  4. Step 4: Simplify right side
    8,318.69x = 30,886,581.48
  5. Step 5: Solve for x
    x = 30,886,581.48/8,318.69
  6. Step 6: Final answer
    x = 3,712.92

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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.