Home / 6,326.18-8,727.21-4,088.78

Finding the Fourth Proportional to 6,326.18, 8,727.21 and 4,088.78

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Solution

The fourth proportional to 6,326.18, 8,727.21 and 4,088.78 is: 5,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.18 : 8,727.21 = 4,088.78 : x
  2. Step 2: Convert to fraction form
    6,326.18/8,727.21 = 4,088.78/x
  3. Step 3: Cross multiply
    6,326.18x = 8,727.21 × 4,088.78
  4. Step 4: Simplify right side
    6,326.18x = 35,683,639.42
  5. Step 5: Solve for x
    x = 35,683,639.42/6,326.18
  6. Step 6: Final answer
    x = 5,640.63

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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.