Home / 8,440.59-12,668.55-4,495.15

Finding the Fourth Proportional to 8,440.59, 12,668.55 and 4,495.15

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Solution

The fourth proportional to 8,440.59, 12,668.55 and 4,495.15 is: 6,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.59 : 12,668.55 = 4,495.15 : x
  2. Step 2: Convert to fraction form
    8,440.59/12,668.55 = 4,495.15/x
  3. Step 3: Cross multiply
    8,440.59x = 12,668.55 × 4,495.15
  4. Step 4: Simplify right side
    8,440.59x = 56,947,032.53
  5. Step 5: Solve for x
    x = 56,947,032.53/8,440.59
  6. Step 6: Final answer
    x = 6,746.81

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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.