Home / 8,696.45-13,041.93-2,851.70

Finding the Fourth Proportional to 8,696.45, 13,041.93 and 2,851.70

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Solution

The fourth proportional to 8,696.45, 13,041.93 and 2,851.70 is: 4,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.45 : 13,041.93 = 2,851.70 : x
  2. Step 2: Convert to fraction form
    8,696.45/13,041.93 = 2,851.70/x
  3. Step 3: Cross multiply
    8,696.45x = 13,041.93 × 2,851.70
  4. Step 4: Simplify right side
    8,696.45x = 37,191,606.57
  5. Step 5: Solve for x
    x = 37,191,606.57/8,696.45
  6. Step 6: Final answer
    x = 4,276.64

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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.