Home / 8,759.10-12,087.18-4,780.02

Finding the Fourth Proportional to 8,759.10, 12,087.18 and 4,780.02

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Solution

The fourth proportional to 8,759.10, 12,087.18 and 4,780.02 is: 6,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.10 : 12,087.18 = 4,780.02 : x
  2. Step 2: Convert to fraction form
    8,759.10/12,087.18 = 4,780.02/x
  3. Step 3: Cross multiply
    8,759.10x = 12,087.18 × 4,780.02
  4. Step 4: Simplify right side
    8,759.10x = 57,776,962.14
  5. Step 5: Solve for x
    x = 57,776,962.14/8,759.10
  6. Step 6: Final answer
    x = 6,596.22

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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.