Home / 8,759.19-12,087.94-4,780.56

Finding the Fourth Proportional to 8,759.19, 12,087.94 and 4,780.56

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Solution

The fourth proportional to 8,759.19, 12,087.94 and 4,780.56 is: 6,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.19 : 12,087.94 = 4,780.56 : x
  2. Step 2: Convert to fraction form
    8,759.19/12,087.94 = 4,780.56/x
  3. Step 3: Cross multiply
    8,759.19x = 12,087.94 × 4,780.56
  4. Step 4: Simplify right side
    8,759.19x = 57,787,038.10
  5. Step 5: Solve for x
    x = 57,787,038.10/8,759.19
  6. Step 6: Final answer
    x = 6,597.31

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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.