Home / 8,927.80-13,378.54-4,973.61

Finding the Fourth Proportional to 8,927.80, 13,378.54 and 4,973.61

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Solution

The fourth proportional to 8,927.80, 13,378.54 and 4,973.61 is: 7,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.80 : 13,378.54 = 4,973.61 : x
  2. Step 2: Convert to fraction form
    8,927.80/13,378.54 = 4,973.61/x
  3. Step 3: Cross multiply
    8,927.80x = 13,378.54 × 4,973.61
  4. Step 4: Simplify right side
    8,927.80x = 66,539,640.33
  5. Step 5: Solve for x
    x = 66,539,640.33/8,927.80
  6. Step 6: Final answer
    x = 7,453.08

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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.