Home / 8,970.33-13,455.98-2,729.87

Finding the Fourth Proportional to 8,970.33, 13,455.98 and 2,729.87

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Solution

The fourth proportional to 8,970.33, 13,455.98 and 2,729.87 is: 4,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.33 : 13,455.98 = 2,729.87 : x
  2. Step 2: Convert to fraction form
    8,970.33/13,455.98 = 2,729.87/x
  3. Step 3: Cross multiply
    8,970.33x = 13,455.98 × 2,729.87
  4. Step 4: Simplify right side
    8,970.33x = 36,732,995.19
  5. Step 5: Solve for x
    x = 36,732,995.19/8,970.33
  6. Step 6: Final answer
    x = 4,094.94

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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.