Home / 6,306.66-8,706.09-4,490.87

Finding the Fourth Proportional to 6,306.66, 8,706.09 and 4,490.87

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Solution

The fourth proportional to 6,306.66, 8,706.09 and 4,490.87 is: 6,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.66 : 8,706.09 = 4,490.87 : x
  2. Step 2: Convert to fraction form
    6,306.66/8,706.09 = 4,490.87/x
  3. Step 3: Cross multiply
    6,306.66x = 8,706.09 × 4,490.87
  4. Step 4: Simplify right side
    6,306.66x = 39,097,874.87
  5. Step 5: Solve for x
    x = 39,097,874.87/6,306.66
  6. Step 6: Final answer
    x = 6,199.46

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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.