Home / 6,688.58-9,230.15-3,704.59

Finding the Fourth Proportional to 6,688.58, 9,230.15 and 3,704.59

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Solution

The fourth proportional to 6,688.58, 9,230.15 and 3,704.59 is: 5,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.58 : 9,230.15 = 3,704.59 : x
  2. Step 2: Convert to fraction form
    6,688.58/9,230.15 = 3,704.59/x
  3. Step 3: Cross multiply
    6,688.58x = 9,230.15 × 3,704.59
  4. Step 4: Simplify right side
    6,688.58x = 34,193,875.24
  5. Step 5: Solve for x
    x = 34,193,875.24/6,688.58
  6. Step 6: Final answer
    x = 5,112.28

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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.