Home / 4,155.71-6,228.37-2,076.30

Finding the Fourth Proportional to 4,155.71, 6,228.37 and 2,076.30

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Solution

The fourth proportional to 4,155.71, 6,228.37 and 2,076.30 is: 3,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.71 : 6,228.37 = 2,076.30 : x
  2. Step 2: Convert to fraction form
    4,155.71/6,228.37 = 2,076.30/x
  3. Step 3: Cross multiply
    4,155.71x = 6,228.37 × 2,076.30
  4. Step 4: Simplify right side
    4,155.71x = 12,931,967.23
  5. Step 5: Solve for x
    x = 12,931,967.23/4,155.71
  6. Step 6: Final answer
    x = 3,111.85

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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.