Home / 7,875.43-11,805.85-4,410.25

Finding the Fourth Proportional to 7,875.43, 11,805.85 and 4,410.25

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Solution

The fourth proportional to 7,875.43, 11,805.85 and 4,410.25 is: 6,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.43 : 11,805.85 = 4,410.25 : x
  2. Step 2: Convert to fraction form
    7,875.43/11,805.85 = 4,410.25/x
  3. Step 3: Cross multiply
    7,875.43x = 11,805.85 × 4,410.25
  4. Step 4: Simplify right side
    7,875.43x = 52,066,749.96
  5. Step 5: Solve for x
    x = 52,066,749.96/7,875.43
  6. Step 6: Final answer
    x = 6,611.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.