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Finding the Fourth Proportional to 5,877.70, 8,830.95 and 4,419.70

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Solution

The fourth proportional to 5,877.70, 8,830.95 and 4,419.70 is: 6,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.70 : 8,830.95 = 4,419.70 : x
  2. Step 2: Convert to fraction form
    5,877.70/8,830.95 = 4,419.70/x
  3. Step 3: Cross multiply
    5,877.70x = 8,830.95 × 4,419.70
  4. Step 4: Simplify right side
    5,877.70x = 39,030,149.72
  5. Step 5: Solve for x
    x = 39,030,149.72/5,877.70
  6. Step 6: Final answer
    x = 6,640.38

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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.