Home / 7,428.93-10,251.90-4,071.80

Finding the Fourth Proportional to 7,428.93, 10,251.90 and 4,071.80

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Solution

The fourth proportional to 7,428.93, 10,251.90 and 4,071.80 is: 5,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.93 : 10,251.90 = 4,071.80 : x
  2. Step 2: Convert to fraction form
    7,428.93/10,251.90 = 4,071.80/x
  3. Step 3: Cross multiply
    7,428.93x = 10,251.90 × 4,071.80
  4. Step 4: Simplify right side
    7,428.93x = 41,743,635.16
  5. Step 5: Solve for x
    x = 41,743,635.16/7,428.93
  6. Step 6: Final answer
    x = 5,619.06

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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.