Home / 5,775.19-8,661.98-2,076.89

Finding the Fourth Proportional to 5,775.19, 8,661.98 and 2,076.89

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Solution

The fourth proportional to 5,775.19, 8,661.98 and 2,076.89 is: 3,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.19 : 8,661.98 = 2,076.89 : x
  2. Step 2: Convert to fraction form
    5,775.19/8,661.98 = 2,076.89/x
  3. Step 3: Cross multiply
    5,775.19x = 8,661.98 × 2,076.89
  4. Step 4: Simplify right side
    5,775.19x = 17,989,941.52
  5. Step 5: Solve for x
    x = 17,989,941.52/5,775.19
  6. Step 6: Final answer
    x = 3,115.04

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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.