Home / 6,857.34-10,272.24-3,154.40

Finding the Fourth Proportional to 6,857.34, 10,272.24 and 3,154.40

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Solution

The fourth proportional to 6,857.34, 10,272.24 and 3,154.40 is: 4,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.34 : 10,272.24 = 3,154.40 : x
  2. Step 2: Convert to fraction form
    6,857.34/10,272.24 = 3,154.40/x
  3. Step 3: Cross multiply
    6,857.34x = 10,272.24 × 3,154.40
  4. Step 4: Simplify right side
    6,857.34x = 32,402,753.86
  5. Step 5: Solve for x
    x = 32,402,753.86/6,857.34
  6. Step 6: Final answer
    x = 4,725.27

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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.