Home / 8,729.28-13,094.46-4,775.40

Finding the Fourth Proportional to 8,729.28, 13,094.46 and 4,775.40

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Solution

The fourth proportional to 8,729.28, 13,094.46 and 4,775.40 is: 7,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.28 : 13,094.46 = 4,775.40 : x
  2. Step 2: Convert to fraction form
    8,729.28/13,094.46 = 4,775.40/x
  3. Step 3: Cross multiply
    8,729.28x = 13,094.46 × 4,775.40
  4. Step 4: Simplify right side
    8,729.28x = 62,531,284.28
  5. Step 5: Solve for x
    x = 62,531,284.28/8,729.28
  6. Step 6: Final answer
    x = 7,163.40

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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.