Home / 9,118.40-12,590.70-5,933.30

Finding the Fourth Proportional to 9,118.40, 12,590.70 and 5,933.30

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Solution

The fourth proportional to 9,118.40, 12,590.70 and 5,933.30 is: 8,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.40 : 12,590.70 = 5,933.30 : x
  2. Step 2: Convert to fraction form
    9,118.40/12,590.70 = 5,933.30/x
  3. Step 3: Cross multiply
    9,118.40x = 12,590.70 × 5,933.30
  4. Step 4: Simplify right side
    9,118.40x = 74,704,400.31
  5. Step 5: Solve for x
    x = 74,704,400.31/9,118.40
  6. Step 6: Final answer
    x = 8,192.71

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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.