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Finding the Fourth Proportional to 5,668.86, 8,491.95 and 4,430.10

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Solution

The fourth proportional to 5,668.86, 8,491.95 and 4,430.10 is: 6,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.86 : 8,491.95 = 4,430.10 : x
  2. Step 2: Convert to fraction form
    5,668.86/8,491.95 = 4,430.10/x
  3. Step 3: Cross multiply
    5,668.86x = 8,491.95 × 4,430.10
  4. Step 4: Simplify right side
    5,668.86x = 37,620,187.70
  5. Step 5: Solve for x
    x = 37,620,187.70/5,668.86
  6. Step 6: Final answer
    x = 6,636.29

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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.