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Finding the Fourth Proportional to 4,472.99, 6,707.19 and 1,697.55

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Solution

The fourth proportional to 4,472.99, 6,707.19 and 1,697.55 is: 2,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.99 : 6,707.19 = 1,697.55 : x
  2. Step 2: Convert to fraction form
    4,472.99/6,707.19 = 1,697.55/x
  3. Step 3: Cross multiply
    4,472.99x = 6,707.19 × 1,697.55
  4. Step 4: Simplify right side
    4,472.99x = 11,385,771.60
  5. Step 5: Solve for x
    x = 11,385,771.60/4,472.99
  6. Step 6: Final answer
    x = 2,545.45

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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.