Home / 4,011.84-6,013.56-1,378.56

Finding the Fourth Proportional to 4,011.84, 6,013.56 and 1,378.56

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Solution

The fourth proportional to 4,011.84, 6,013.56 and 1,378.56 is: 2,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.84 : 6,013.56 = 1,378.56 : x
  2. Step 2: Convert to fraction form
    4,011.84/6,013.56 = 1,378.56/x
  3. Step 3: Cross multiply
    4,011.84x = 6,013.56 × 1,378.56
  4. Step 4: Simplify right side
    4,011.84x = 8,290,053.27
  5. Step 5: Solve for x
    x = 8,290,053.27/4,011.84
  6. Step 6: Final answer
    x = 2,066.40

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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.