Home / 7,238.85-10,851.35-2,305.77

Finding the Fourth Proportional to 7,238.85, 10,851.35 and 2,305.77

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Solution

The fourth proportional to 7,238.85, 10,851.35 and 2,305.77 is: 3,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.85 : 10,851.35 = 2,305.77 : x
  2. Step 2: Convert to fraction form
    7,238.85/10,851.35 = 2,305.77/x
  3. Step 3: Cross multiply
    7,238.85x = 10,851.35 × 2,305.77
  4. Step 4: Simplify right side
    7,238.85x = 25,020,705.76
  5. Step 5: Solve for x
    x = 25,020,705.76/7,238.85
  6. Step 6: Final answer
    x = 3,456.45

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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.