Home / 5,015.50-6,924.74-3,127.84

Finding the Fourth Proportional to 5,015.50, 6,924.74 and 3,127.84

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Solution

The fourth proportional to 5,015.50, 6,924.74 and 3,127.84 is: 4,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.50 : 6,924.74 = 3,127.84 : x
  2. Step 2: Convert to fraction form
    5,015.50/6,924.74 = 3,127.84/x
  3. Step 3: Cross multiply
    5,015.50x = 6,924.74 × 3,127.84
  4. Step 4: Simplify right side
    5,015.50x = 21,659,445.81
  5. Step 5: Solve for x
    x = 21,659,445.81/5,015.50
  6. Step 6: Final answer
    x = 4,318.50

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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.