Home / 7,228.80-10,835.10-3,717.45

Finding the Fourth Proportional to 7,228.80, 10,835.10 and 3,717.45

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Solution

The fourth proportional to 7,228.80, 10,835.10 and 3,717.45 is: 5,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.80 : 10,835.10 = 3,717.45 : x
  2. Step 2: Convert to fraction form
    7,228.80/10,835.10 = 3,717.45/x
  3. Step 3: Cross multiply
    7,228.80x = 10,835.10 × 3,717.45
  4. Step 4: Simplify right side
    7,228.80x = 40,278,942.50
  5. Step 5: Solve for x
    x = 40,278,942.50/7,228.80
  6. Step 6: Final answer
    x = 5,572.01

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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.