Home / 6,389.12-9,585.21-2,006.58

Finding the Fourth Proportional to 6,389.12, 9,585.21 and 2,006.58

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Solution

The fourth proportional to 6,389.12, 9,585.21 and 2,006.58 is: 3,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.12 : 9,585.21 = 2,006.58 : x
  2. Step 2: Convert to fraction form
    6,389.12/9,585.21 = 2,006.58/x
  3. Step 3: Cross multiply
    6,389.12x = 9,585.21 × 2,006.58
  4. Step 4: Simplify right side
    6,389.12x = 19,233,490.68
  5. Step 5: Solve for x
    x = 19,233,490.68/6,389.12
  6. Step 6: Final answer
    x = 3,010.35

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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.