Home / 8,649.27-11,935.67-5,111.91

Finding the Fourth Proportional to 8,649.27, 11,935.67 and 5,111.91

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Solution

The fourth proportional to 8,649.27, 11,935.67 and 5,111.91 is: 7,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.27 : 11,935.67 = 5,111.91 : x
  2. Step 2: Convert to fraction form
    8,649.27/11,935.67 = 5,111.91/x
  3. Step 3: Cross multiply
    8,649.27x = 11,935.67 × 5,111.91
  4. Step 4: Simplify right side
    8,649.27x = 61,014,045.27
  5. Step 5: Solve for x
    x = 61,014,045.27/8,649.27
  6. Step 6: Final answer
    x = 7,054.24

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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.