Home / 4,153.96-5,740.64-3,406.72

Finding the Fourth Proportional to 4,153.96, 5,740.64 and 3,406.72

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Solution

The fourth proportional to 4,153.96, 5,740.64 and 3,406.72 is: 4,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.96 : 5,740.64 = 3,406.72 : x
  2. Step 2: Convert to fraction form
    4,153.96/5,740.64 = 3,406.72/x
  3. Step 3: Cross multiply
    4,153.96x = 5,740.64 × 3,406.72
  4. Step 4: Simplify right side
    4,153.96x = 19,556,753.10
  5. Step 5: Solve for x
    x = 19,556,753.10/4,153.96
  6. Step 6: Final answer
    x = 4,707.98

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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.