Home / 6,621.46-9,137.77-3,637.35

Finding the Fourth Proportional to 6,621.46, 9,137.77 and 3,637.35

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Solution

The fourth proportional to 6,621.46, 9,137.77 and 3,637.35 is: 5,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.46 : 9,137.77 = 3,637.35 : x
  2. Step 2: Convert to fraction form
    6,621.46/9,137.77 = 3,637.35/x
  3. Step 3: Cross multiply
    6,621.46x = 9,137.77 × 3,637.35
  4. Step 4: Simplify right side
    6,621.46x = 33,237,267.71
  5. Step 5: Solve for x
    x = 33,237,267.71/6,621.46
  6. Step 6: Final answer
    x = 5,019.63

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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.