Home / 8,445.10-11,653.94-4,668.20

Finding the Fourth Proportional to 8,445.10, 11,653.94 and 4,668.20

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Solution

The fourth proportional to 8,445.10, 11,653.94 and 4,668.20 is: 6,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.10 : 11,653.94 = 4,668.20 : x
  2. Step 2: Convert to fraction form
    8,445.10/11,653.94 = 4,668.20/x
  3. Step 3: Cross multiply
    8,445.10x = 11,653.94 × 4,668.20
  4. Step 4: Simplify right side
    8,445.10x = 54,402,922.71
  5. Step 5: Solve for x
    x = 54,402,922.71/8,445.10
  6. Step 6: Final answer
    x = 6,441.95

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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.