Home / 9,875.97-13,630.02-5,685.03

Finding the Fourth Proportional to 9,875.97, 13,630.02 and 5,685.03

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Solution

The fourth proportional to 9,875.97, 13,630.02 and 5,685.03 is: 7,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.97 : 13,630.02 = 5,685.03 : x
  2. Step 2: Convert to fraction form
    9,875.97/13,630.02 = 5,685.03/x
  3. Step 3: Cross multiply
    9,875.97x = 13,630.02 × 5,685.03
  4. Step 4: Simplify right side
    9,875.97x = 77,487,072.60
  5. Step 5: Solve for x
    x = 77,487,072.60/9,875.97
  6. Step 6: Final answer
    x = 7,846.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.