Home / 7,281.09-10,047.20-4,256.92

Finding the Fourth Proportional to 7,281.09, 10,047.20 and 4,256.92

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Solution

The fourth proportional to 7,281.09, 10,047.20 and 4,256.92 is: 5,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.09 : 10,047.20 = 4,256.92 : x
  2. Step 2: Convert to fraction form
    7,281.09/10,047.20 = 4,256.92/x
  3. Step 3: Cross multiply
    7,281.09x = 10,047.20 × 4,256.92
  4. Step 4: Simplify right side
    7,281.09x = 42,770,076.39
  5. Step 5: Solve for x
    x = 42,770,076.39/7,281.09
  6. Step 6: Final answer
    x = 5,874.14

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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.