Home / 6,688.37-10,032.65-3,178.73

Finding the Fourth Proportional to 6,688.37, 10,032.65 and 3,178.73

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Solution

The fourth proportional to 6,688.37, 10,032.65 and 3,178.73 is: 4,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.37 : 10,032.65 = 3,178.73 : x
  2. Step 2: Convert to fraction form
    6,688.37/10,032.65 = 3,178.73/x
  3. Step 3: Cross multiply
    6,688.37x = 10,032.65 × 3,178.73
  4. Step 4: Simplify right side
    6,688.37x = 31,891,069.64
  5. Step 5: Solve for x
    x = 31,891,069.64/6,688.37
  6. Step 6: Final answer
    x = 4,768.14

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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.