Home / 8,669.19-11,963.67-4,788.58

Finding the Fourth Proportional to 8,669.19, 11,963.67 and 4,788.58

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Solution

The fourth proportional to 8,669.19, 11,963.67 and 4,788.58 is: 6,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.19 : 11,963.67 = 4,788.58 : x
  2. Step 2: Convert to fraction form
    8,669.19/11,963.67 = 4,788.58/x
  3. Step 3: Cross multiply
    8,669.19x = 11,963.67 × 4,788.58
  4. Step 4: Simplify right side
    8,669.19x = 57,288,966.95
  5. Step 5: Solve for x
    x = 57,288,966.95/8,669.19
  6. Step 6: Final answer
    x = 6,608.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.