Home / 7,362.20-10,160.10-4,218.99

Finding the Fourth Proportional to 7,362.20, 10,160.10 and 4,218.99

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Solution

The fourth proportional to 7,362.20, 10,160.10 and 4,218.99 is: 5,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.20 : 10,160.10 = 4,218.99 : x
  2. Step 2: Convert to fraction form
    7,362.20/10,160.10 = 4,218.99/x
  3. Step 3: Cross multiply
    7,362.20x = 10,160.10 × 4,218.99
  4. Step 4: Simplify right side
    7,362.20x = 42,865,360.30
  5. Step 5: Solve for x
    x = 42,865,360.30/7,362.20
  6. Step 6: Final answer
    x = 5,822.36

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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.