Home / 6,455.02-9,681.61-2,071.91

Finding the Fourth Proportional to 6,455.02, 9,681.61 and 2,071.91

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Solution

The fourth proportional to 6,455.02, 9,681.61 and 2,071.91 is: 3,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.02 : 9,681.61 = 2,071.91 : x
  2. Step 2: Convert to fraction form
    6,455.02/9,681.61 = 2,071.91/x
  3. Step 3: Cross multiply
    6,455.02x = 9,681.61 × 2,071.91
  4. Step 4: Simplify right side
    6,455.02x = 20,059,365.81
  5. Step 5: Solve for x
    x = 20,059,365.81/6,455.02
  6. Step 6: Final answer
    x = 3,107.56

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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.