Home / 7,353.36-11,008.16-4,422.78

Finding the Fourth Proportional to 7,353.36, 11,008.16 and 4,422.78

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Solution

The fourth proportional to 7,353.36, 11,008.16 and 4,422.78 is: 6,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.36 : 11,008.16 = 4,422.78 : x
  2. Step 2: Convert to fraction form
    7,353.36/11,008.16 = 4,422.78/x
  3. Step 3: Cross multiply
    7,353.36x = 11,008.16 × 4,422.78
  4. Step 4: Simplify right side
    7,353.36x = 48,686,669.88
  5. Step 5: Solve for x
    x = 48,686,669.88/7,353.36
  6. Step 6: Final answer
    x = 6,621.01

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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.