Home / 8,910.81-13,365.61-3,071.52

Finding the Fourth Proportional to 8,910.81, 13,365.61 and 3,071.52

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Solution

The fourth proportional to 8,910.81, 13,365.61 and 3,071.52 is: 4,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.81 : 13,365.61 = 3,071.52 : x
  2. Step 2: Convert to fraction form
    8,910.81/13,365.61 = 3,071.52/x
  3. Step 3: Cross multiply
    8,910.81x = 13,365.61 × 3,071.52
  4. Step 4: Simplify right side
    8,910.81x = 41,052,730.75
  5. Step 5: Solve for x
    x = 41,052,730.75/8,910.81
  6. Step 6: Final answer
    x = 4,607.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.