Home / 7,332.77-10,990.89-3,637.64

Finding the Fourth Proportional to 7,332.77, 10,990.89 and 3,637.64

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Solution

The fourth proportional to 7,332.77, 10,990.89 and 3,637.64 is: 5,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.77 : 10,990.89 = 3,637.64 : x
  2. Step 2: Convert to fraction form
    7,332.77/10,990.89 = 3,637.64/x
  3. Step 3: Cross multiply
    7,332.77x = 10,990.89 × 3,637.64
  4. Step 4: Simplify right side
    7,332.77x = 39,980,928.58
  5. Step 5: Solve for x
    x = 39,980,928.58/7,332.77
  6. Step 6: Final answer
    x = 5,452.36

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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.