Home / 7,428.22-10,250.88-4,071.22

Finding the Fourth Proportional to 7,428.22, 10,250.88 and 4,071.22

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Solution

The fourth proportional to 7,428.22, 10,250.88 and 4,071.22 is: 5,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.22 : 10,250.88 = 4,071.22 : x
  2. Step 2: Convert to fraction form
    7,428.22/10,250.88 = 4,071.22/x
  3. Step 3: Cross multiply
    7,428.22x = 10,250.88 × 4,071.22
  4. Step 4: Simplify right side
    7,428.22x = 41,733,587.67
  5. Step 5: Solve for x
    x = 41,733,587.67/7,428.22
  6. Step 6: Final answer
    x = 5,618.25

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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.