Home / 8,740.34-13,102.58-4,359.14

Finding the Fourth Proportional to 8,740.34, 13,102.58 and 4,359.14

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Solution

The fourth proportional to 8,740.34, 13,102.58 and 4,359.14 is: 6,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.34 : 13,102.58 = 4,359.14 : x
  2. Step 2: Convert to fraction form
    8,740.34/13,102.58 = 4,359.14/x
  3. Step 3: Cross multiply
    8,740.34x = 13,102.58 × 4,359.14
  4. Step 4: Simplify right side
    8,740.34x = 57,115,980.58
  5. Step 5: Solve for x
    x = 57,115,980.58/8,740.34
  6. Step 6: Final answer
    x = 6,534.76

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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.