Home / 5,160.27-7,740.39-1,873.35

Finding the Fourth Proportional to 5,160.27, 7,740.39 and 1,873.35

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Solution

The fourth proportional to 5,160.27, 7,740.39 and 1,873.35 is: 2,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.27 : 7,740.39 = 1,873.35 : x
  2. Step 2: Convert to fraction form
    5,160.27/7,740.39 = 1,873.35/x
  3. Step 3: Cross multiply
    5,160.27x = 7,740.39 × 1,873.35
  4. Step 4: Simplify right side
    5,160.27x = 14,500,459.61
  5. Step 5: Solve for x
    x = 14,500,459.61/5,160.27
  6. Step 6: Final answer
    x = 2,810.02

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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.