Home / 8,071.61-11,139.37-4,534.81

Finding the Fourth Proportional to 8,071.61, 11,139.37 and 4,534.81

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Solution

The fourth proportional to 8,071.61, 11,139.37 and 4,534.81 is: 6,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.61 : 11,139.37 = 4,534.81 : x
  2. Step 2: Convert to fraction form
    8,071.61/11,139.37 = 4,534.81/x
  3. Step 3: Cross multiply
    8,071.61x = 11,139.37 × 4,534.81
  4. Step 4: Simplify right side
    8,071.61x = 50,514,887.28
  5. Step 5: Solve for x
    x = 50,514,887.28/8,071.61
  6. Step 6: Final answer
    x = 6,258.34

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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.