Home / 7,196.19-9,931.45-4,211.85

Finding the Fourth Proportional to 7,196.19, 9,931.45 and 4,211.85

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Solution

The fourth proportional to 7,196.19, 9,931.45 and 4,211.85 is: 5,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196.19 : 9,931.45 = 4,211.85 : x
  2. Step 2: Convert to fraction form
    7,196.19/9,931.45 = 4,211.85/x
  3. Step 3: Cross multiply
    7,196.19x = 9,931.45 × 4,211.85
  4. Step 4: Simplify right side
    7,196.19x = 41,829,777.68
  5. Step 5: Solve for x
    x = 41,829,777.68/7,196.19
  6. Step 6: Final answer
    x = 5,812.77

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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.