Home / 4,085.32-5,637.02-2,406.78

Finding the Fourth Proportional to 4,085.32, 5,637.02 and 2,406.78

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Solution

The fourth proportional to 4,085.32, 5,637.02 and 2,406.78 is: 3,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.32 : 5,637.02 = 2,406.78 : x
  2. Step 2: Convert to fraction form
    4,085.32/5,637.02 = 2,406.78/x
  3. Step 3: Cross multiply
    4,085.32x = 5,637.02 × 2,406.78
  4. Step 4: Simplify right side
    4,085.32x = 13,567,067.00
  5. Step 5: Solve for x
    x = 13,567,067.00/4,085.32
  6. Step 6: Final answer
    x = 3,320.93

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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.