Home / 4,972.28-6,858.88-3,106.04

Finding the Fourth Proportional to 4,972.28, 6,858.88 and 3,106.04

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Solution

The fourth proportional to 4,972.28, 6,858.88 and 3,106.04 is: 4,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.28 : 6,858.88 = 3,106.04 : x
  2. Step 2: Convert to fraction form
    4,972.28/6,858.88 = 3,106.04/x
  3. Step 3: Cross multiply
    4,972.28x = 6,858.88 × 3,106.04
  4. Step 4: Simplify right side
    4,972.28x = 21,303,955.64
  5. Step 5: Solve for x
    x = 21,303,955.64/4,972.28
  6. Step 6: Final answer
    x = 4,284.54

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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.