Home / 5,176.02-7,763.93-1,280.42

Finding the Fourth Proportional to 5,176.02, 7,763.93 and 1,280.42

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Solution

The fourth proportional to 5,176.02, 7,763.93 and 1,280.42 is: 1,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.02 : 7,763.93 = 1,280.42 : x
  2. Step 2: Convert to fraction form
    5,176.02/7,763.93 = 1,280.42/x
  3. Step 3: Cross multiply
    5,176.02x = 7,763.93 × 1,280.42
  4. Step 4: Simplify right side
    5,176.02x = 9,941,113.86
  5. Step 5: Solve for x
    x = 9,941,113.86/5,176.02
  6. Step 6: Final answer
    x = 1,920.61

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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.