Home / 5,039-6,955.54-3,126.28

Finding the Fourth Proportional to 5,039, 6,955.54 and 3,126.28

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Solution

The fourth proportional to 5,039, 6,955.54 and 3,126.28 is: 4,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039 : 6,955.54 = 3,126.28 : x
  2. Step 2: Convert to fraction form
    5,039/6,955.54 = 3,126.28/x
  3. Step 3: Cross multiply
    5,039x = 6,955.54 × 3,126.28
  4. Step 4: Simplify right side
    5,039x = 21,744,965.59
  5. Step 5: Solve for x
    x = 21,744,965.59/5,039
  6. Step 6: Final answer
    x = 4,315.33

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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.