Home / 5,490.15-8,235.23-4,396.65

Finding the Fourth Proportional to 5,490.15, 8,235.23 and 4,396.65

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Solution

The fourth proportional to 5,490.15, 8,235.23 and 4,396.65 is: 6,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.15 : 8,235.23 = 4,396.65 : x
  2. Step 2: Convert to fraction form
    5,490.15/8,235.23 = 4,396.65/x
  3. Step 3: Cross multiply
    5,490.15x = 8,235.23 × 4,396.65
  4. Step 4: Simplify right side
    5,490.15x = 36,207,402.00
  5. Step 5: Solve for x
    x = 36,207,402.00/5,490.15
  6. Step 6: Final answer
    x = 6,594.98

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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.