Home / 4,788.90-6,611.40-3,195.12

Finding the Fourth Proportional to 4,788.90, 6,611.40 and 3,195.12

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Solution

The fourth proportional to 4,788.90, 6,611.40 and 3,195.12 is: 4,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.90 : 6,611.40 = 3,195.12 : x
  2. Step 2: Convert to fraction form
    4,788.90/6,611.40 = 3,195.12/x
  3. Step 3: Cross multiply
    4,788.90x = 6,611.40 × 3,195.12
  4. Step 4: Simplify right side
    4,788.90x = 21,124,216.37
  5. Step 5: Solve for x
    x = 21,124,216.37/4,788.90
  6. Step 6: Final answer
    x = 4,411.08

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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.