Home / 5,237.38-7,854.93-1,860.63

Finding the Fourth Proportional to 5,237.38, 7,854.93 and 1,860.63

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Solution

The fourth proportional to 5,237.38, 7,854.93 and 1,860.63 is: 2,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.38 : 7,854.93 = 1,860.63 : x
  2. Step 2: Convert to fraction form
    5,237.38/7,854.93 = 1,860.63/x
  3. Step 3: Cross multiply
    5,237.38x = 7,854.93 × 1,860.63
  4. Step 4: Simplify right side
    5,237.38x = 14,615,079.13
  5. Step 5: Solve for x
    x = 14,615,079.13/5,237.38
  6. Step 6: Final answer
    x = 2,790.53

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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.