Home / 9,122.74-12,589.37-4,930.99

Finding the Fourth Proportional to 9,122.74, 12,589.37 and 4,930.99

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Solution

The fourth proportional to 9,122.74, 12,589.37 and 4,930.99 is: 6,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.74 : 12,589.37 = 4,930.99 : x
  2. Step 2: Convert to fraction form
    9,122.74/12,589.37 = 4,930.99/x
  3. Step 3: Cross multiply
    9,122.74x = 12,589.37 × 4,930.99
  4. Step 4: Simplify right side
    9,122.74x = 62,078,032.92
  5. Step 5: Solve for x
    x = 62,078,032.92/9,122.74
  6. Step 6: Final answer
    x = 6,804.76

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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.