Home / 7,087.94-9,784-6,089.20

Finding the Fourth Proportional to 7,087.94, 9,784 and 6,089.20

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Solution

The fourth proportional to 7,087.94, 9,784 and 6,089.20 is: 8,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.94 : 9,784 = 6,089.20 : x
  2. Step 2: Convert to fraction form
    7,087.94/9,784 = 6,089.20/x
  3. Step 3: Cross multiply
    7,087.94x = 9,784 × 6,089.20
  4. Step 4: Simplify right side
    7,087.94x = 59,576,732.80
  5. Step 5: Solve for x
    x = 59,576,732.80/7,087.94
  6. Step 6: Final answer
    x = 8,405.37

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1.5x scale

Why These Related Problems?

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