Home / 5,695.20-8,499.16-4,389.60

Finding the Fourth Proportional to 5,695.20, 8,499.16 and 4,389.60

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Solution

The fourth proportional to 5,695.20, 8,499.16 and 4,389.60 is: 6,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.20 : 8,499.16 = 4,389.60 : x
  2. Step 2: Convert to fraction form
    5,695.20/8,499.16 = 4,389.60/x
  3. Step 3: Cross multiply
    5,695.20x = 8,499.16 × 4,389.60
  4. Step 4: Simplify right side
    5,695.20x = 37,307,912.74
  5. Step 5: Solve for x
    x = 37,307,912.74/5,695.20
  6. Step 6: Final answer
    x = 6,550.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.