Home / 6,013.76-9,020.64-1,909.76

Finding the Fourth Proportional to 6,013.76, 9,020.64 and 1,909.76

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Solution

The fourth proportional to 6,013.76, 9,020.64 and 1,909.76 is: 2,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,013.76 : 9,020.64 = 1,909.76 : x
  2. Step 2: Convert to fraction form
    6,013.76/9,020.64 = 1,909.76/x
  3. Step 3: Cross multiply
    6,013.76x = 9,020.64 × 1,909.76
  4. Step 4: Simplify right side
    6,013.76x = 17,227,257.45
  5. Step 5: Solve for x
    x = 17,227,257.45/6,013.76
  6. Step 6: Final answer
    x = 2,864.64

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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.