Home / 4,669.62-6,443.40-2,878.02

Finding the Fourth Proportional to 4,669.62, 6,443.40 and 2,878.02

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Solution

The fourth proportional to 4,669.62, 6,443.40 and 2,878.02 is: 3,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.62 : 6,443.40 = 2,878.02 : x
  2. Step 2: Convert to fraction form
    4,669.62/6,443.40 = 2,878.02/x
  3. Step 3: Cross multiply
    4,669.62x = 6,443.40 × 2,878.02
  4. Step 4: Simplify right side
    4,669.62x = 18,544,234.07
  5. Step 5: Solve for x
    x = 18,544,234.07/4,669.62
  6. Step 6: Final answer
    x = 3,971.25

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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.