Home / 4,121.52-5,683.32-3,071.76

Finding the Fourth Proportional to 4,121.52, 5,683.32 and 3,071.76

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Solution

The fourth proportional to 4,121.52, 5,683.32 and 3,071.76 is: 4,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.52 : 5,683.32 = 3,071.76 : x
  2. Step 2: Convert to fraction form
    4,121.52/5,683.32 = 3,071.76/x
  3. Step 3: Cross multiply
    4,121.52x = 5,683.32 × 3,071.76
  4. Step 4: Simplify right side
    4,121.52x = 17,457,795.04
  5. Step 5: Solve for x
    x = 17,457,795.04/4,121.52
  6. Step 6: Final answer
    x = 4,235.77

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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.