Home / 5,173.50-7,139.64-2,935.35

Finding the Fourth Proportional to 5,173.50, 7,139.64 and 2,935.35

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Solution

The fourth proportional to 5,173.50, 7,139.64 and 2,935.35 is: 4,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.50 : 7,139.64 = 2,935.35 : x
  2. Step 2: Convert to fraction form
    5,173.50/7,139.64 = 2,935.35/x
  3. Step 3: Cross multiply
    5,173.50x = 7,139.64 × 2,935.35
  4. Step 4: Simplify right side
    5,173.50x = 20,957,342.27
  5. Step 5: Solve for x
    x = 20,957,342.27/5,173.50
  6. Step 6: Final answer
    x = 4,050.90

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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.