Home / 9,287.58-13,935.02-4,089.81

Finding the Fourth Proportional to 9,287.58, 13,935.02 and 4,089.81

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Solution

The fourth proportional to 9,287.58, 13,935.02 and 4,089.81 is: 6,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.58 : 13,935.02 = 4,089.81 : x
  2. Step 2: Convert to fraction form
    9,287.58/13,935.02 = 4,089.81/x
  3. Step 3: Cross multiply
    9,287.58x = 13,935.02 × 4,089.81
  4. Step 4: Simplify right side
    9,287.58x = 56,991,584.15
  5. Step 5: Solve for x
    x = 56,991,584.15/9,287.58
  6. Step 6: Final answer
    x = 6,136.32

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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.