Home / 6,111.95-8,434.58-3,317.45

Finding the Fourth Proportional to 6,111.95, 8,434.58 and 3,317.45

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Solution

The fourth proportional to 6,111.95, 8,434.58 and 3,317.45 is: 4,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.95 : 8,434.58 = 3,317.45 : x
  2. Step 2: Convert to fraction form
    6,111.95/8,434.58 = 3,317.45/x
  3. Step 3: Cross multiply
    6,111.95x = 8,434.58 × 3,317.45
  4. Step 4: Simplify right side
    6,111.95x = 27,981,238.66
  5. Step 5: Solve for x
    x = 27,981,238.66/6,111.95
  6. Step 6: Final answer
    x = 4,578.12

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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.