Home / 5,684.40-8,524.53-1,985.58

Finding the Fourth Proportional to 5,684.40, 8,524.53 and 1,985.58

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Solution

The fourth proportional to 5,684.40, 8,524.53 and 1,985.58 is: 2,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.40 : 8,524.53 = 1,985.58 : x
  2. Step 2: Convert to fraction form
    5,684.40/8,524.53 = 1,985.58/x
  3. Step 3: Cross multiply
    5,684.40x = 8,524.53 × 1,985.58
  4. Step 4: Simplify right side
    5,684.40x = 16,926,136.28
  5. Step 5: Solve for x
    x = 16,926,136.28/5,684.40
  6. Step 6: Final answer
    x = 2,977.65

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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.