Home / 4,220.10-6,324.93-1,877.40

Finding the Fourth Proportional to 4,220.10, 6,324.93 and 1,877.40

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Solution

The fourth proportional to 4,220.10, 6,324.93 and 1,877.40 is: 2,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.10 : 6,324.93 = 1,877.40 : x
  2. Step 2: Convert to fraction form
    4,220.10/6,324.93 = 1,877.40/x
  3. Step 3: Cross multiply
    4,220.10x = 6,324.93 × 1,877.40
  4. Step 4: Simplify right side
    4,220.10x = 11,874,423.58
  5. Step 5: Solve for x
    x = 11,874,423.58/4,220.10
  6. Step 6: Final answer
    x = 2,813.78

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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.