Home / 5,355.90-8,019.87-4,310.19

Finding the Fourth Proportional to 5,355.90, 8,019.87 and 4,310.19

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Solution

The fourth proportional to 5,355.90, 8,019.87 and 4,310.19 is: 6,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.90 : 8,019.87 = 4,310.19 : x
  2. Step 2: Convert to fraction form
    5,355.90/8,019.87 = 4,310.19/x
  3. Step 3: Cross multiply
    5,355.90x = 8,019.87 × 4,310.19
  4. Step 4: Simplify right side
    5,355.90x = 34,567,123.38
  5. Step 5: Solve for x
    x = 34,567,123.38/5,355.90
  6. Step 6: Final answer
    x = 6,454.03

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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.