Home / 6,389.60-9,585.93-2,007.05

Finding the Fourth Proportional to 6,389.60, 9,585.93 and 2,007.05

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Solution

The fourth proportional to 6,389.60, 9,585.93 and 2,007.05 is: 3,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.60 : 9,585.93 = 2,007.05 : x
  2. Step 2: Convert to fraction form
    6,389.60/9,585.93 = 2,007.05/x
  3. Step 3: Cross multiply
    6,389.60x = 9,585.93 × 2,007.05
  4. Step 4: Simplify right side
    6,389.60x = 19,239,392.88
  5. Step 5: Solve for x
    x = 19,239,392.88/6,389.60
  6. Step 6: Final answer
    x = 3,011.05

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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.