Home / 7,417.68-11,123.28-2,222.34

Finding the Fourth Proportional to 7,417.68, 11,123.28 and 2,222.34

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Solution

The fourth proportional to 7,417.68, 11,123.28 and 2,222.34 is: 3,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.68 : 11,123.28 = 2,222.34 : x
  2. Step 2: Convert to fraction form
    7,417.68/11,123.28 = 2,222.34/x
  3. Step 3: Cross multiply
    7,417.68x = 11,123.28 × 2,222.34
  4. Step 4: Simplify right side
    7,417.68x = 24,719,698.96
  5. Step 5: Solve for x
    x = 24,719,698.96/7,417.68
  6. Step 6: Final answer
    x = 3,332.54

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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.