Home / 6,455.04-9,681.52-1,836.96

Finding the Fourth Proportional to 6,455.04, 9,681.52 and 1,836.96

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Solution

The fourth proportional to 6,455.04, 9,681.52 and 1,836.96 is: 2,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.04 : 9,681.52 = 1,836.96 : x
  2. Step 2: Convert to fraction form
    6,455.04/9,681.52 = 1,836.96/x
  3. Step 3: Cross multiply
    6,455.04x = 9,681.52 × 1,836.96
  4. Step 4: Simplify right side
    6,455.04x = 17,784,564.98
  5. Step 5: Solve for x
    x = 17,784,564.98/6,455.04
  6. Step 6: Final answer
    x = 2,755.14

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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.