Home / 6,621.51-9,137.69-3,637.49

Finding the Fourth Proportional to 6,621.51, 9,137.69 and 3,637.49

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Solution

The fourth proportional to 6,621.51, 9,137.69 and 3,637.49 is: 5,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.51 : 9,137.69 = 3,637.49 : x
  2. Step 2: Convert to fraction form
    6,621.51/9,137.69 = 3,637.49/x
  3. Step 3: Cross multiply
    6,621.51x = 9,137.69 × 3,637.49
  4. Step 4: Simplify right side
    6,621.51x = 33,238,256.00
  5. Step 5: Solve for x
    x = 33,238,256.00/6,621.51
  6. Step 6: Final answer
    x = 5,019.74

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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.