Home / 6,285.40-9,429.31-2,389.50

Finding the Fourth Proportional to 6,285.40, 9,429.31 and 2,389.50

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Solution

The fourth proportional to 6,285.40, 9,429.31 and 2,389.50 is: 3,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.40 : 9,429.31 = 2,389.50 : x
  2. Step 2: Convert to fraction form
    6,285.40/9,429.31 = 2,389.50/x
  3. Step 3: Cross multiply
    6,285.40x = 9,429.31 × 2,389.50
  4. Step 4: Simplify right side
    6,285.40x = 22,531,339.23
  5. Step 5: Solve for x
    x = 22,531,339.23/6,285.40
  6. Step 6: Final answer
    x = 3,584.71

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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.