Home / 6,390.60-9,585.63-2,007.96

Finding the Fourth Proportional to 6,390.60, 9,585.63 and 2,007.96

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Solution

The fourth proportional to 6,390.60, 9,585.63 and 2,007.96 is: 3,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.60 : 9,585.63 = 2,007.96 : x
  2. Step 2: Convert to fraction form
    6,390.60/9,585.63 = 2,007.96/x
  3. Step 3: Cross multiply
    6,390.60x = 9,585.63 × 2,007.96
  4. Step 4: Simplify right side
    6,390.60x = 19,247,561.61
  5. Step 5: Solve for x
    x = 19,247,561.61/6,390.60
  6. Step 6: Final answer
    x = 3,011.86

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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.