Home / 4,867.52-6,715.56-2,771.20

Finding the Fourth Proportional to 4,867.52, 6,715.56 and 2,771.20

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Solution

The fourth proportional to 4,867.52, 6,715.56 and 2,771.20 is: 3,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.52 : 6,715.56 = 2,771.20 : x
  2. Step 2: Convert to fraction form
    4,867.52/6,715.56 = 2,771.20/x
  3. Step 3: Cross multiply
    4,867.52x = 6,715.56 × 2,771.20
  4. Step 4: Simplify right side
    4,867.52x = 18,610,159.87
  5. Step 5: Solve for x
    x = 18,610,159.87/4,867.52
  6. Step 6: Final answer
    x = 3,823.34

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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.