Home / 5,536.16-7,639.61-3,145.81

Finding the Fourth Proportional to 5,536.16, 7,639.61 and 3,145.81

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Solution

The fourth proportional to 5,536.16, 7,639.61 and 3,145.81 is: 4,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.16 : 7,639.61 = 3,145.81 : x
  2. Step 2: Convert to fraction form
    5,536.16/7,639.61 = 3,145.81/x
  3. Step 3: Cross multiply
    5,536.16x = 7,639.61 × 3,145.81
  4. Step 4: Simplify right side
    5,536.16x = 24,032,761.53
  5. Step 5: Solve for x
    x = 24,032,761.53/5,536.16
  6. Step 6: Final answer
    x = 4,341.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.