Home / 5,102.11-7,041.08-2,864.39

Finding the Fourth Proportional to 5,102.11, 7,041.08 and 2,864.39

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Solution

The fourth proportional to 5,102.11, 7,041.08 and 2,864.39 is: 3,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.11 : 7,041.08 = 2,864.39 : x
  2. Step 2: Convert to fraction form
    5,102.11/7,041.08 = 2,864.39/x
  3. Step 3: Cross multiply
    5,102.11x = 7,041.08 × 2,864.39
  4. Step 4: Simplify right side
    5,102.11x = 20,168,384.82
  5. Step 5: Solve for x
    x = 20,168,384.82/5,102.11
  6. Step 6: Final answer
    x = 3,952.95

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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.