Home / 5,509.23-8,265.12-1,613.94

Finding the Fourth Proportional to 5,509.23, 8,265.12 and 1,613.94

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Solution

The fourth proportional to 5,509.23, 8,265.12 and 1,613.94 is: 2,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.23 : 8,265.12 = 1,613.94 : x
  2. Step 2: Convert to fraction form
    5,509.23/8,265.12 = 1,613.94/x
  3. Step 3: Cross multiply
    5,509.23x = 8,265.12 × 1,613.94
  4. Step 4: Simplify right side
    5,509.23x = 13,339,407.77
  5. Step 5: Solve for x
    x = 13,339,407.77/5,509.23
  6. Step 6: Final answer
    x = 2,421.28

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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.