Home / 6,437.88-9,637.38-3,659.58

Finding the Fourth Proportional to 6,437.88, 9,637.38 and 3,659.58

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Solution

The fourth proportional to 6,437.88, 9,637.38 and 3,659.58 is: 5,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.88 : 9,637.38 = 3,659.58 : x
  2. Step 2: Convert to fraction form
    6,437.88/9,637.38 = 3,659.58/x
  3. Step 3: Cross multiply
    6,437.88x = 9,637.38 × 3,659.58
  4. Step 4: Simplify right side
    6,437.88x = 35,268,763.10
  5. Step 5: Solve for x
    x = 35,268,763.10/6,437.88
  6. Step 6: Final answer
    x = 5,478.32

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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.