Home / 8,071.90-11,139.87-4,535.98

Finding the Fourth Proportional to 8,071.90, 11,139.87 and 4,535.98

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Solution

The fourth proportional to 8,071.90, 11,139.87 and 4,535.98 is: 6,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.90 : 11,139.87 = 4,535.98 : x
  2. Step 2: Convert to fraction form
    8,071.90/11,139.87 = 4,535.98/x
  3. Step 3: Cross multiply
    8,071.90x = 11,139.87 × 4,535.98
  4. Step 4: Simplify right side
    8,071.90x = 50,530,227.52
  5. Step 5: Solve for x
    x = 50,530,227.52/8,071.90
  6. Step 6: Final answer
    x = 6,260.02

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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.