Home / 4,860.78-6,705.57-2,870.01

Finding the Fourth Proportional to 4,860.78, 6,705.57 and 2,870.01

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Solution

The fourth proportional to 4,860.78, 6,705.57 and 2,870.01 is: 3,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.78 : 6,705.57 = 2,870.01 : x
  2. Step 2: Convert to fraction form
    4,860.78/6,705.57 = 2,870.01/x
  3. Step 3: Cross multiply
    4,860.78x = 6,705.57 × 2,870.01
  4. Step 4: Simplify right side
    4,860.78x = 19,245,052.96
  5. Step 5: Solve for x
    x = 19,245,052.96/4,860.78
  6. Step 6: Final answer
    x = 3,959.25

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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.