Home / 5,102.72-7,041.60-2,864.60

Finding the Fourth Proportional to 5,102.72, 7,041.60 and 2,864.60

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Solution

The fourth proportional to 5,102.72, 7,041.60 and 2,864.60 is: 3,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.72 : 7,041.60 = 2,864.60 : x
  2. Step 2: Convert to fraction form
    5,102.72/7,041.60 = 2,864.60/x
  3. Step 3: Cross multiply
    5,102.72x = 7,041.60 × 2,864.60
  4. Step 4: Simplify right side
    5,102.72x = 20,171,367.36
  5. Step 5: Solve for x
    x = 20,171,367.36/5,102.72
  6. Step 6: Final answer
    x = 3,953.06

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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.