Home / 5,611.16-8,416.40-1,715.24

Finding the Fourth Proportional to 5,611.16, 8,416.40 and 1,715.24

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Solution

The fourth proportional to 5,611.16, 8,416.40 and 1,715.24 is: 2,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.16 : 8,416.40 = 1,715.24 : x
  2. Step 2: Convert to fraction form
    5,611.16/8,416.40 = 1,715.24/x
  3. Step 3: Cross multiply
    5,611.16x = 8,416.40 × 1,715.24
  4. Step 4: Simplify right side
    5,611.16x = 14,436,145.94
  5. Step 5: Solve for x
    x = 14,436,145.94/5,611.16
  6. Step 6: Final answer
    x = 2,572.76

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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.