Home / 6,621.03-9,137.16-3,637.08

Finding the Fourth Proportional to 6,621.03, 9,137.16 and 3,637.08

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Solution

The fourth proportional to 6,621.03, 9,137.16 and 3,637.08 is: 5,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.03 : 9,137.16 = 3,637.08 : x
  2. Step 2: Convert to fraction form
    6,621.03/9,137.16 = 3,637.08/x
  3. Step 3: Cross multiply
    6,621.03x = 9,137.16 × 3,637.08
  4. Step 4: Simplify right side
    6,621.03x = 33,232,581.89
  5. Step 5: Solve for x
    x = 33,232,581.89/6,621.03
  6. Step 6: Final answer
    x = 5,019.25

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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.