Home / 5,611.84-8,417.20-1,716.28

Finding the Fourth Proportional to 5,611.84, 8,417.20 and 1,716.28

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Solution

The fourth proportional to 5,611.84, 8,417.20 and 1,716.28 is: 2,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.84 : 8,417.20 = 1,716.28 : x
  2. Step 2: Convert to fraction form
    5,611.84/8,417.20 = 1,716.28/x
  3. Step 3: Cross multiply
    5,611.84x = 8,417.20 × 1,716.28
  4. Step 4: Simplify right side
    5,611.84x = 14,446,272.02
  5. Step 5: Solve for x
    x = 14,446,272.02/5,611.84
  6. Step 6: Final answer
    x = 2,574.25

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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.