Home / 7,427.61-10,249.94-4,070.35

Finding the Fourth Proportional to 7,427.61, 10,249.94 and 4,070.35

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Solution

The fourth proportional to 7,427.61, 10,249.94 and 4,070.35 is: 5,616.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.61 : 10,249.94 = 4,070.35 : x
  2. Step 2: Convert to fraction form
    7,427.61/10,249.94 = 4,070.35/x
  3. Step 3: Cross multiply
    7,427.61x = 10,249.94 × 4,070.35
  4. Step 4: Simplify right side
    7,427.61x = 41,720,822.93
  5. Step 5: Solve for x
    x = 41,720,822.93/7,427.61
  6. Step 6: Final answer
    x = 5,616.99

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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.