Home / 8,521.76-12,777.24-3,594.80

Finding the Fourth Proportional to 8,521.76, 12,777.24 and 3,594.80

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Solution

The fourth proportional to 8,521.76, 12,777.24 and 3,594.80 is: 5,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.76 : 12,777.24 = 3,594.80 : x
  2. Step 2: Convert to fraction form
    8,521.76/12,777.24 = 3,594.80/x
  3. Step 3: Cross multiply
    8,521.76x = 12,777.24 × 3,594.80
  4. Step 4: Simplify right side
    8,521.76x = 45,931,622.35
  5. Step 5: Solve for x
    x = 45,931,622.35/8,521.76
  6. Step 6: Final answer
    x = 5,389.92

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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.