Home / 8,681.16-13,020.50-2,837

Finding the Fourth Proportional to 8,681.16, 13,020.50 and 2,837

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Solution

The fourth proportional to 8,681.16, 13,020.50 and 2,837 is: 4,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.16 : 13,020.50 = 2,837 : x
  2. Step 2: Convert to fraction form
    8,681.16/13,020.50 = 2,837/x
  3. Step 3: Cross multiply
    8,681.16x = 13,020.50 × 2,837
  4. Step 4: Simplify right side
    8,681.16x = 36,939,158.50
  5. Step 5: Solve for x
    x = 36,939,158.50/8,681.16
  6. Step 6: Final answer
    x = 4,255.09

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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.