Home / 6,621.59-9,137.96-3,637.62

Finding the Fourth Proportional to 6,621.59, 9,137.96 and 3,637.62

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Solution

The fourth proportional to 6,621.59, 9,137.96 and 3,637.62 is: 5,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.59 : 9,137.96 = 3,637.62 : x
  2. Step 2: Convert to fraction form
    6,621.59/9,137.96 = 3,637.62/x
  3. Step 3: Cross multiply
    6,621.59x = 9,137.96 × 3,637.62
  4. Step 4: Simplify right side
    6,621.59x = 33,240,421.51
  5. Step 5: Solve for x
    x = 33,240,421.51/6,621.59
  6. Step 6: Final answer
    x = 5,020.00

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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.