Home / 5,878.35-8,112.29-3,360.87

Finding the Fourth Proportional to 5,878.35, 8,112.29 and 3,360.87

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Solution

The fourth proportional to 5,878.35, 8,112.29 and 3,360.87 is: 4,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.35 : 8,112.29 = 3,360.87 : x
  2. Step 2: Convert to fraction form
    5,878.35/8,112.29 = 3,360.87/x
  3. Step 3: Cross multiply
    5,878.35x = 8,112.29 × 3,360.87
  4. Step 4: Simplify right side
    5,878.35x = 27,264,352.09
  5. Step 5: Solve for x
    x = 27,264,352.09/5,878.35
  6. Step 6: Final answer
    x = 4,638.10

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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.