Home / 4,972.30-6,858.90-3,106.06

Finding the Fourth Proportional to 4,972.30, 6,858.90 and 3,106.06

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Solution

The fourth proportional to 4,972.30, 6,858.90 and 3,106.06 is: 4,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.30 : 6,858.90 = 3,106.06 : x
  2. Step 2: Convert to fraction form
    4,972.30/6,858.90 = 3,106.06/x
  3. Step 3: Cross multiply
    4,972.30x = 6,858.90 × 3,106.06
  4. Step 4: Simplify right side
    4,972.30x = 21,304,137.79
  5. Step 5: Solve for x
    x = 21,304,137.79/4,972.30
  6. Step 6: Final answer
    x = 4,284.57

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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.