Home / 6,838.14-9,437.32-4,187.30

Finding the Fourth Proportional to 6,838.14, 9,437.32 and 4,187.30

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Solution

The fourth proportional to 6,838.14, 9,437.32 and 4,187.30 is: 5,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.14 : 9,437.32 = 4,187.30 : x
  2. Step 2: Convert to fraction form
    6,838.14/9,437.32 = 4,187.30/x
  3. Step 3: Cross multiply
    6,838.14x = 9,437.32 × 4,187.30
  4. Step 4: Simplify right side
    6,838.14x = 39,516,890.04
  5. Step 5: Solve for x
    x = 39,516,890.04/6,838.14
  6. Step 6: Final answer
    x = 5,778.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.