Home / 5,260.64-7,895.55-2,142.35

Finding the Fourth Proportional to 5,260.64, 7,895.55 and 2,142.35

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Solution

The fourth proportional to 5,260.64, 7,895.55 and 2,142.35 is: 3,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.64 : 7,895.55 = 2,142.35 : x
  2. Step 2: Convert to fraction form
    5,260.64/7,895.55 = 2,142.35/x
  3. Step 3: Cross multiply
    5,260.64x = 7,895.55 × 2,142.35
  4. Step 4: Simplify right side
    5,260.64x = 16,914,992.06
  5. Step 5: Solve for x
    x = 16,914,992.06/5,260.64
  6. Step 6: Final answer
    x = 3,215.39

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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.