Home / 5,386.08-8,074.32-2,101.44

Finding the Fourth Proportional to 5,386.08, 8,074.32 and 2,101.44

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Solution

The fourth proportional to 5,386.08, 8,074.32 and 2,101.44 is: 3,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.08 : 8,074.32 = 2,101.44 : x
  2. Step 2: Convert to fraction form
    5,386.08/8,074.32 = 2,101.44/x
  3. Step 3: Cross multiply
    5,386.08x = 8,074.32 × 2,101.44
  4. Step 4: Simplify right side
    5,386.08x = 16,967,699.02
  5. Step 5: Solve for x
    x = 16,967,699.02/5,386.08
  6. Step 6: Final answer
    x = 3,150.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.