Home / 6,390.38-9,587.95-2,879.34

Finding the Fourth Proportional to 6,390.38, 9,587.95 and 2,879.34

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Solution

The fourth proportional to 6,390.38, 9,587.95 and 2,879.34 is: 4,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.38 : 9,587.95 = 2,879.34 : x
  2. Step 2: Convert to fraction form
    6,390.38/9,587.95 = 2,879.34/x
  3. Step 3: Cross multiply
    6,390.38x = 9,587.95 × 2,879.34
  4. Step 4: Simplify right side
    6,390.38x = 27,606,920.01
  5. Step 5: Solve for x
    x = 27,606,920.01/6,390.38
  6. Step 6: Final answer
    x = 4,320.07

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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.