Home / 6,007.20-9,005.40-3,814.80

Finding the Fourth Proportional to 6,007.20, 9,005.40 and 3,814.80

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Solution

The fourth proportional to 6,007.20, 9,005.40 and 3,814.80 is: 5,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.20 : 9,005.40 = 3,814.80 : x
  2. Step 2: Convert to fraction form
    6,007.20/9,005.40 = 3,814.80/x
  3. Step 3: Cross multiply
    6,007.20x = 9,005.40 × 3,814.80
  4. Step 4: Simplify right side
    6,007.20x = 34,353,799.92
  5. Step 5: Solve for x
    x = 34,353,799.92/6,007.20
  6. Step 6: Final answer
    x = 5,718.77

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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.