Home / 4,487.67-6,727.19-2,840.13

Finding the Fourth Proportional to 4,487.67, 6,727.19 and 2,840.13

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Solution

The fourth proportional to 4,487.67, 6,727.19 and 2,840.13 is: 4,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.67 : 6,727.19 = 2,840.13 : x
  2. Step 2: Convert to fraction form
    4,487.67/6,727.19 = 2,840.13/x
  3. Step 3: Cross multiply
    4,487.67x = 6,727.19 × 2,840.13
  4. Step 4: Simplify right side
    4,487.67x = 19,106,079.93
  5. Step 5: Solve for x
    x = 19,106,079.93/4,487.67
  6. Step 6: Final answer
    x = 4,257.46

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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.