Home / 5,613.21-8,409.02-3,140.53

Finding the Fourth Proportional to 5,613.21, 8,409.02 and 3,140.53

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Solution

The fourth proportional to 5,613.21, 8,409.02 and 3,140.53 is: 4,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.21 : 8,409.02 = 3,140.53 : x
  2. Step 2: Convert to fraction form
    5,613.21/8,409.02 = 3,140.53/x
  3. Step 3: Cross multiply
    5,613.21x = 8,409.02 × 3,140.53
  4. Step 4: Simplify right side
    5,613.21x = 26,408,779.58
  5. Step 5: Solve for x
    x = 26,408,779.58/5,613.21
  6. Step 6: Final answer
    x = 4,704.76

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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.