Home / 8,317.48-12,465.28-3,936.19

Finding the Fourth Proportional to 8,317.48, 12,465.28 and 3,936.19

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Solution

The fourth proportional to 8,317.48, 12,465.28 and 3,936.19 is: 5,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.48 : 12,465.28 = 3,936.19 : x
  2. Step 2: Convert to fraction form
    8,317.48/12,465.28 = 3,936.19/x
  3. Step 3: Cross multiply
    8,317.48x = 12,465.28 × 3,936.19
  4. Step 4: Simplify right side
    8,317.48x = 49,065,710.48
  5. Step 5: Solve for x
    x = 49,065,710.48/8,317.48
  6. Step 6: Final answer
    x = 5,899.11

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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.