Home / 9,301.77-12,836.21-5,109.75

Finding the Fourth Proportional to 9,301.77, 12,836.21 and 5,109.75

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Solution

The fourth proportional to 9,301.77, 12,836.21 and 5,109.75 is: 7,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.77 : 12,836.21 = 5,109.75 : x
  2. Step 2: Convert to fraction form
    9,301.77/12,836.21 = 5,109.75/x
  3. Step 3: Cross multiply
    9,301.77x = 12,836.21 × 5,109.75
  4. Step 4: Simplify right side
    9,301.77x = 65,589,798.50
  5. Step 5: Solve for x
    x = 65,589,798.50/9,301.77
  6. Step 6: Final answer
    x = 7,051.32

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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.