Home / 8,696.45-13,041.58-3,148.36

Finding the Fourth Proportional to 8,696.45, 13,041.58 and 3,148.36

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Solution

The fourth proportional to 8,696.45, 13,041.58 and 3,148.36 is: 4,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.45 : 13,041.58 = 3,148.36 : x
  2. Step 2: Convert to fraction form
    8,696.45/13,041.58 = 3,148.36/x
  3. Step 3: Cross multiply
    8,696.45x = 13,041.58 × 3,148.36
  4. Step 4: Simplify right side
    8,696.45x = 41,059,588.81
  5. Step 5: Solve for x
    x = 41,059,588.81/8,696.45
  6. Step 6: Final answer
    x = 4,721.42

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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.