Home / 8,731.40-13,097.23-4,860.41

Finding the Fourth Proportional to 8,731.40, 13,097.23 and 4,860.41

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Solution

The fourth proportional to 8,731.40, 13,097.23 and 4,860.41 is: 7,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.40 : 13,097.23 = 4,860.41 : x
  2. Step 2: Convert to fraction form
    8,731.40/13,097.23 = 4,860.41/x
  3. Step 3: Cross multiply
    8,731.40x = 13,097.23 × 4,860.41
  4. Step 4: Simplify right side
    8,731.40x = 63,657,830.03
  5. Step 5: Solve for x
    x = 63,657,830.03/8,731.40
  6. Step 6: Final answer
    x = 7,290.68

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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.