Home / 6,291.12-9,438.29-2,393.40

Finding the Fourth Proportional to 6,291.12, 9,438.29 and 2,393.40

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Solution

The fourth proportional to 6,291.12, 9,438.29 and 2,393.40 is: 3,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.12 : 9,438.29 = 2,393.40 : x
  2. Step 2: Convert to fraction form
    6,291.12/9,438.29 = 2,393.40/x
  3. Step 3: Cross multiply
    6,291.12x = 9,438.29 × 2,393.40
  4. Step 4: Simplify right side
    6,291.12x = 22,589,603.29
  5. Step 5: Solve for x
    x = 22,589,603.29/6,291.12
  6. Step 6: Final answer
    x = 3,590.71

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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.