Home / 6,687.85-9,228.92-3,703.45

Finding the Fourth Proportional to 6,687.85, 9,228.92 and 3,703.45

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Solution

The fourth proportional to 6,687.85, 9,228.92 and 3,703.45 is: 5,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.85 : 9,228.92 = 3,703.45 : x
  2. Step 2: Convert to fraction form
    6,687.85/9,228.92 = 3,703.45/x
  3. Step 3: Cross multiply
    6,687.85x = 9,228.92 × 3,703.45
  4. Step 4: Simplify right side
    6,687.85x = 34,178,779.11
  5. Step 5: Solve for x
    x = 34,178,779.11/6,687.85
  6. Step 6: Final answer
    x = 5,110.58

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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.