Home / 6,612.35-9,125.85-3,779.07

Finding the Fourth Proportional to 6,612.35, 9,125.85 and 3,779.07

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Solution

The fourth proportional to 6,612.35, 9,125.85 and 3,779.07 is: 5,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.35 : 9,125.85 = 3,779.07 : x
  2. Step 2: Convert to fraction form
    6,612.35/9,125.85 = 3,779.07/x
  3. Step 3: Cross multiply
    6,612.35x = 9,125.85 × 3,779.07
  4. Step 4: Simplify right side
    6,612.35x = 34,487,225.96
  5. Step 5: Solve for x
    x = 34,487,225.96/6,612.35
  6. Step 6: Final answer
    x = 5,215.58

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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.