Home / 9,789.57-14,684.39-2,864.07

Finding the Fourth Proportional to 9,789.57, 14,684.39 and 2,864.07

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Solution

The fourth proportional to 9,789.57, 14,684.39 and 2,864.07 is: 4,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.57 : 14,684.39 = 2,864.07 : x
  2. Step 2: Convert to fraction form
    9,789.57/14,684.39 = 2,864.07/x
  3. Step 3: Cross multiply
    9,789.57x = 14,684.39 × 2,864.07
  4. Step 4: Simplify right side
    9,789.57x = 42,057,106.55
  5. Step 5: Solve for x
    x = 42,057,106.55/9,789.57
  6. Step 6: Final answer
    x = 4,296.11

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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.