Home / 6,788.58-10,181.80-4,155.18

Finding the Fourth Proportional to 6,788.58, 10,181.80 and 4,155.18

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Solution

The fourth proportional to 6,788.58, 10,181.80 and 4,155.18 is: 6,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.58 : 10,181.80 = 4,155.18 : x
  2. Step 2: Convert to fraction form
    6,788.58/10,181.80 = 4,155.18/x
  3. Step 3: Cross multiply
    6,788.58x = 10,181.80 × 4,155.18
  4. Step 4: Simplify right side
    6,788.58x = 42,307,211.72
  5. Step 5: Solve for x
    x = 42,307,211.72/6,788.58
  6. Step 6: Final answer
    x = 6,232.12

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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.