Home / 6,896.40-9,516.90-3,752.58

Finding the Fourth Proportional to 6,896.40, 9,516.90 and 3,752.58

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Solution

The fourth proportional to 6,896.40, 9,516.90 and 3,752.58 is: 5,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.40 : 9,516.90 = 3,752.58 : x
  2. Step 2: Convert to fraction form
    6,896.40/9,516.90 = 3,752.58/x
  3. Step 3: Cross multiply
    6,896.40x = 9,516.90 × 3,752.58
  4. Step 4: Simplify right side
    6,896.40x = 35,712,928.60
  5. Step 5: Solve for x
    x = 35,712,928.60/6,896.40
  6. Step 6: Final answer
    x = 5,178.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.