Home / 6,742.84-10,119.56-4,677.38

Finding the Fourth Proportional to 6,742.84, 10,119.56 and 4,677.38

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Solution

The fourth proportional to 6,742.84, 10,119.56 and 4,677.38 is: 7,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.84 : 10,119.56 = 4,677.38 : x
  2. Step 2: Convert to fraction form
    6,742.84/10,119.56 = 4,677.38/x
  3. Step 3: Cross multiply
    6,742.84x = 10,119.56 × 4,677.38
  4. Step 4: Simplify right side
    6,742.84x = 47,332,991.52
  5. Step 5: Solve for x
    x = 47,332,991.52/6,742.84
  6. Step 6: Final answer
    x = 7,019.74

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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.