Home / 6,539.87-9,026.33-3,886.76

Finding the Fourth Proportional to 6,539.87, 9,026.33 and 3,886.76

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Solution

The fourth proportional to 6,539.87, 9,026.33 and 3,886.76 is: 5,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.87 : 9,026.33 = 3,886.76 : x
  2. Step 2: Convert to fraction form
    6,539.87/9,026.33 = 3,886.76/x
  3. Step 3: Cross multiply
    6,539.87x = 9,026.33 × 3,886.76
  4. Step 4: Simplify right side
    6,539.87x = 35,083,181.52
  5. Step 5: Solve for x
    x = 35,083,181.52/6,539.87
  6. Step 6: Final answer
    x = 5,364.51

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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.