Home / 9,071.16-12,517.51-5,091.51

Finding the Fourth Proportional to 9,071.16, 12,517.51 and 5,091.51

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Solution

The fourth proportional to 9,071.16, 12,517.51 and 5,091.51 is: 7,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.16 : 12,517.51 = 5,091.51 : x
  2. Step 2: Convert to fraction form
    9,071.16/12,517.51 = 5,091.51/x
  3. Step 3: Cross multiply
    9,071.16x = 12,517.51 × 5,091.51
  4. Step 4: Simplify right side
    9,071.16x = 63,733,027.34
  5. Step 5: Solve for x
    x = 63,733,027.34/9,071.16
  6. Step 6: Final answer
    x = 7,025.90

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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.