Home / 5,160.24-7,740.90-3,416.58

Finding the Fourth Proportional to 5,160.24, 7,740.90 and 3,416.58

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Solution

The fourth proportional to 5,160.24, 7,740.90 and 3,416.58 is: 5,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.24 : 7,740.90 = 3,416.58 : x
  2. Step 2: Convert to fraction form
    5,160.24/7,740.90 = 3,416.58/x
  3. Step 3: Cross multiply
    5,160.24x = 7,740.90 × 3,416.58
  4. Step 4: Simplify right side
    5,160.24x = 26,447,404.12
  5. Step 5: Solve for x
    x = 26,447,404.12/5,160.24
  6. Step 6: Final answer
    x = 5,125.23

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1.5x scale

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.