Home / 4,145.78-6,220.19-1,925.64

Finding the Fourth Proportional to 4,145.78, 6,220.19 and 1,925.64

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Solution

The fourth proportional to 4,145.78, 6,220.19 and 1,925.64 is: 2,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.78 : 6,220.19 = 1,925.64 : x
  2. Step 2: Convert to fraction form
    4,145.78/6,220.19 = 1,925.64/x
  3. Step 3: Cross multiply
    4,145.78x = 6,220.19 × 1,925.64
  4. Step 4: Simplify right side
    4,145.78x = 11,977,851.49
  5. Step 5: Solve for x
    x = 11,977,851.49/4,145.78
  6. Step 6: Final answer
    x = 2,889.17

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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.