Home / 5,003.09-6,902.09-2,878.16

Finding the Fourth Proportional to 5,003.09, 6,902.09 and 2,878.16

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Solution

The fourth proportional to 5,003.09, 6,902.09 and 2,878.16 is: 3,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.09 : 6,902.09 = 2,878.16 : x
  2. Step 2: Convert to fraction form
    5,003.09/6,902.09 = 2,878.16/x
  3. Step 3: Cross multiply
    5,003.09x = 6,902.09 × 2,878.16
  4. Step 4: Simplify right side
    5,003.09x = 19,865,319.35
  5. Step 5: Solve for x
    x = 19,865,319.35/5,003.09
  6. Step 6: Final answer
    x = 3,970.61

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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.