Home / 6,085.78-8,398.49-3,569.81

Finding the Fourth Proportional to 6,085.78, 8,398.49 and 3,569.81

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Solution

The fourth proportional to 6,085.78, 8,398.49 and 3,569.81 is: 4,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.78 : 8,398.49 = 3,569.81 : x
  2. Step 2: Convert to fraction form
    6,085.78/8,398.49 = 3,569.81/x
  3. Step 3: Cross multiply
    6,085.78x = 8,398.49 × 3,569.81
  4. Step 4: Simplify right side
    6,085.78x = 29,980,953.75
  5. Step 5: Solve for x
    x = 29,980,953.75/6,085.78
  6. Step 6: Final answer
    x = 4,926.40

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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.