Home / 7,428.11-10,250.34-4,070.25

Finding the Fourth Proportional to 7,428.11, 10,250.34 and 4,070.25

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Solution

The fourth proportional to 7,428.11, 10,250.34 and 4,070.25 is: 5,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.11 : 10,250.34 = 4,070.25 : x
  2. Step 2: Convert to fraction form
    7,428.11/10,250.34 = 4,070.25/x
  3. Step 3: Cross multiply
    7,428.11x = 10,250.34 × 4,070.25
  4. Step 4: Simplify right side
    7,428.11x = 41,721,446.39
  5. Step 5: Solve for x
    x = 41,721,446.39/7,428.11
  6. Step 6: Final answer
    x = 5,616.70

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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.