Home / 5,314.69-7,971.93-1,851.85

Finding the Fourth Proportional to 5,314.69, 7,971.93 and 1,851.85

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Solution

The fourth proportional to 5,314.69, 7,971.93 and 1,851.85 is: 2,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.69 : 7,971.93 = 1,851.85 : x
  2. Step 2: Convert to fraction form
    5,314.69/7,971.93 = 1,851.85/x
  3. Step 3: Cross multiply
    5,314.69x = 7,971.93 × 1,851.85
  4. Step 4: Simplify right side
    5,314.69x = 14,762,818.57
  5. Step 5: Solve for x
    x = 14,762,818.57/5,314.69
  6. Step 6: Final answer
    x = 2,777.74

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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.