Home / 6,787.36-10,155.53-4,015.34

Finding the Fourth Proportional to 6,787.36, 10,155.53 and 4,015.34

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Solution

The fourth proportional to 6,787.36, 10,155.53 and 4,015.34 is: 6,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.36 : 10,155.53 = 4,015.34 : x
  2. Step 2: Convert to fraction form
    6,787.36/10,155.53 = 4,015.34/x
  3. Step 3: Cross multiply
    6,787.36x = 10,155.53 × 4,015.34
  4. Step 4: Simplify right side
    6,787.36x = 40,777,905.83
  5. Step 5: Solve for x
    x = 40,777,905.83/6,787.36
  6. Step 6: Final answer
    x = 6,007.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.