Home / 5,590.76-8,391.60-3,403.76

Finding the Fourth Proportional to 5,590.76, 8,391.60 and 3,403.76

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Solution

The fourth proportional to 5,590.76, 8,391.60 and 3,403.76 is: 5,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.76 : 8,391.60 = 3,403.76 : x
  2. Step 2: Convert to fraction form
    5,590.76/8,391.60 = 3,403.76/x
  3. Step 3: Cross multiply
    5,590.76x = 8,391.60 × 3,403.76
  4. Step 4: Simplify right side
    5,590.76x = 28,562,950.46
  5. Step 5: Solve for x
    x = 28,562,950.46/5,590.76
  6. Step 6: Final answer
    x = 5,108.96

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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.