Home / 6,688.01-10,031.85-3,881.05

Finding the Fourth Proportional to 6,688.01, 10,031.85 and 3,881.05

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Solution

The fourth proportional to 6,688.01, 10,031.85 and 3,881.05 is: 5,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.01 : 10,031.85 = 3,881.05 : x
  2. Step 2: Convert to fraction form
    6,688.01/10,031.85 = 3,881.05/x
  3. Step 3: Cross multiply
    6,688.01x = 10,031.85 × 3,881.05
  4. Step 4: Simplify right side
    6,688.01x = 38,934,086.36
  5. Step 5: Solve for x
    x = 38,934,086.36/6,688.01
  6. Step 6: Final answer
    x = 5,821.47

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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.