Home / 8,106.53-11,187.06-5,123.71

Finding the Fourth Proportional to 8,106.53, 11,187.06 and 5,123.71

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Solution

The fourth proportional to 8,106.53, 11,187.06 and 5,123.71 is: 7,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.53 : 11,187.06 = 5,123.71 : x
  2. Step 2: Convert to fraction form
    8,106.53/11,187.06 = 5,123.71/x
  3. Step 3: Cross multiply
    8,106.53x = 11,187.06 × 5,123.71
  4. Step 4: Simplify right side
    8,106.53x = 57,319,195.26
  5. Step 5: Solve for x
    x = 57,319,195.26/8,106.53
  6. Step 6: Final answer
    x = 7,070.74

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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.