Home / 8,455.29-11,668.63-4,627.19

Finding the Fourth Proportional to 8,455.29, 11,668.63 and 4,627.19

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Solution

The fourth proportional to 8,455.29, 11,668.63 and 4,627.19 is: 6,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.29 : 11,668.63 = 4,627.19 : x
  2. Step 2: Convert to fraction form
    8,455.29/11,668.63 = 4,627.19/x
  3. Step 3: Cross multiply
    8,455.29x = 11,668.63 × 4,627.19
  4. Step 4: Simplify right side
    8,455.29x = 53,992,968.05
  5. Step 5: Solve for x
    x = 53,992,968.05/8,455.29
  6. Step 6: Final answer
    x = 6,385.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.