Home / 6,678.12-10,017.76-1,747.74

Finding the Fourth Proportional to 6,678.12, 10,017.76 and 1,747.74

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Solution

The fourth proportional to 6,678.12, 10,017.76 and 1,747.74 is: 2,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.12 : 10,017.76 = 1,747.74 : x
  2. Step 2: Convert to fraction form
    6,678.12/10,017.76 = 1,747.74/x
  3. Step 3: Cross multiply
    6,678.12x = 10,017.76 × 1,747.74
  4. Step 4: Simplify right side
    6,678.12x = 17,508,439.86
  5. Step 5: Solve for x
    x = 17,508,439.86/6,678.12
  6. Step 6: Final answer
    x = 2,621.76

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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.