Home / 4,784.45-7,177.12-1,862.98

Finding the Fourth Proportional to 4,784.45, 7,177.12 and 1,862.98

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Solution

The fourth proportional to 4,784.45, 7,177.12 and 1,862.98 is: 2,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.45 : 7,177.12 = 1,862.98 : x
  2. Step 2: Convert to fraction form
    4,784.45/7,177.12 = 1,862.98/x
  3. Step 3: Cross multiply
    4,784.45x = 7,177.12 × 1,862.98
  4. Step 4: Simplify right side
    4,784.45x = 13,370,831.02
  5. Step 5: Solve for x
    x = 13,370,831.02/4,784.45
  6. Step 6: Final answer
    x = 2,794.64

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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.