Home / 8,507.07-12,754.98-4,065.39

Finding the Fourth Proportional to 8,507.07, 12,754.98 and 4,065.39

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Solution

The fourth proportional to 8,507.07, 12,754.98 and 4,065.39 is: 6,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.07 : 12,754.98 = 4,065.39 : x
  2. Step 2: Convert to fraction form
    8,507.07/12,754.98 = 4,065.39/x
  3. Step 3: Cross multiply
    8,507.07x = 12,754.98 × 4,065.39
  4. Step 4: Simplify right side
    8,507.07x = 51,853,968.14
  5. Step 5: Solve for x
    x = 51,853,968.14/8,507.07
  6. Step 6: Final answer
    x = 6,095.40

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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.