Home / 5,775.30-8,661.60-1,877.58

Finding the Fourth Proportional to 5,775.30, 8,661.60 and 1,877.58

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Solution

The fourth proportional to 5,775.30, 8,661.60 and 1,877.58 is: 2,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.30 : 8,661.60 = 1,877.58 : x
  2. Step 2: Convert to fraction form
    5,775.30/8,661.60 = 1,877.58/x
  3. Step 3: Cross multiply
    5,775.30x = 8,661.60 × 1,877.58
  4. Step 4: Simplify right side
    5,775.30x = 16,262,846.93
  5. Step 5: Solve for x
    x = 16,262,846.93/5,775.30
  6. Step 6: Final answer
    x = 2,815.93

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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.