Home / 7,041.92-9,717.90-3,855.18

Finding the Fourth Proportional to 7,041.92, 9,717.90 and 3,855.18

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Solution

The fourth proportional to 7,041.92, 9,717.90 and 3,855.18 is: 5,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.92 : 9,717.90 = 3,855.18 : x
  2. Step 2: Convert to fraction form
    7,041.92/9,717.90 = 3,855.18/x
  3. Step 3: Cross multiply
    7,041.92x = 9,717.90 × 3,855.18
  4. Step 4: Simplify right side
    7,041.92x = 37,464,253.72
  5. Step 5: Solve for x
    x = 37,464,253.72/7,041.92
  6. Step 6: Final answer
    x = 5,320.18

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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.