Home / 7,400.46-10,212.54-4,256.70

Finding the Fourth Proportional to 7,400.46, 10,212.54 and 4,256.70

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Solution

The fourth proportional to 7,400.46, 10,212.54 and 4,256.70 is: 5,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.46 : 10,212.54 = 4,256.70 : x
  2. Step 2: Convert to fraction form
    7,400.46/10,212.54 = 4,256.70/x
  3. Step 3: Cross multiply
    7,400.46x = 10,212.54 × 4,256.70
  4. Step 4: Simplify right side
    7,400.46x = 43,471,719.02
  5. Step 5: Solve for x
    x = 43,471,719.02/7,400.46
  6. Step 6: Final answer
    x = 5,874.19

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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.