Home / 4,156.57-6,229.47-1,688.50

Finding the Fourth Proportional to 4,156.57, 6,229.47 and 1,688.50

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Solution

The fourth proportional to 4,156.57, 6,229.47 and 1,688.50 is: 2,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.57 : 6,229.47 = 1,688.50 : x
  2. Step 2: Convert to fraction form
    4,156.57/6,229.47 = 1,688.50/x
  3. Step 3: Cross multiply
    4,156.57x = 6,229.47 × 1,688.50
  4. Step 4: Simplify right side
    4,156.57x = 10,518,460.10
  5. Step 5: Solve for x
    x = 10,518,460.10/4,156.57
  6. Step 6: Final answer
    x = 2,530.56

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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.