Home / 5,880.61-8,821.73-1,986.13

Finding the Fourth Proportional to 5,880.61, 8,821.73 and 1,986.13

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Solution

The fourth proportional to 5,880.61, 8,821.73 and 1,986.13 is: 2,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.61 : 8,821.73 = 1,986.13 : x
  2. Step 2: Convert to fraction form
    5,880.61/8,821.73 = 1,986.13/x
  3. Step 3: Cross multiply
    5,880.61x = 8,821.73 × 1,986.13
  4. Step 4: Simplify right side
    5,880.61x = 17,521,102.60
  5. Step 5: Solve for x
    x = 17,521,102.60/5,880.61
  6. Step 6: Final answer
    x = 2,979.47

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1.5x scale

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.