Home / 8,681.08-13,022.79-2,835.76

Finding the Fourth Proportional to 8,681.08, 13,022.79 and 2,835.76

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Solution

The fourth proportional to 8,681.08, 13,022.79 and 2,835.76 is: 4,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.08 : 13,022.79 = 2,835.76 : x
  2. Step 2: Convert to fraction form
    8,681.08/13,022.79 = 2,835.76/x
  3. Step 3: Cross multiply
    8,681.08x = 13,022.79 × 2,835.76
  4. Step 4: Simplify right side
    8,681.08x = 36,929,506.97
  5. Step 5: Solve for x
    x = 36,929,506.97/8,681.08
  6. Step 6: Final answer
    x = 4,254.02

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1.5x scale

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.