Home / 7,350.21-10,143.09-4,206.20

Finding the Fourth Proportional to 7,350.21, 10,143.09 and 4,206.20

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Solution

The fourth proportional to 7,350.21, 10,143.09 and 4,206.20 is: 5,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.21 : 10,143.09 = 4,206.20 : x
  2. Step 2: Convert to fraction form
    7,350.21/10,143.09 = 4,206.20/x
  3. Step 3: Cross multiply
    7,350.21x = 10,143.09 × 4,206.20
  4. Step 4: Simplify right side
    7,350.21x = 42,663,865.16
  5. Step 5: Solve for x
    x = 42,663,865.16/7,350.21
  6. Step 6: Final answer
    x = 5,804.44

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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.