Home / 5,986.06-8,979.08-1,603.40

Finding the Fourth Proportional to 5,986.06, 8,979.08 and 1,603.40

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Solution

The fourth proportional to 5,986.06, 8,979.08 and 1,603.40 is: 2,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.06 : 8,979.08 = 1,603.40 : x
  2. Step 2: Convert to fraction form
    5,986.06/8,979.08 = 1,603.40/x
  3. Step 3: Cross multiply
    5,986.06x = 8,979.08 × 1,603.40
  4. Step 4: Simplify right side
    5,986.06x = 14,397,056.87
  5. Step 5: Solve for x
    x = 14,397,056.87/5,986.06
  6. Step 6: Final answer
    x = 2,405.10

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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.