Home / 8,456.48-12,683.52-2,612.60

Finding the Fourth Proportional to 8,456.48, 12,683.52 and 2,612.60

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Solution

The fourth proportional to 8,456.48, 12,683.52 and 2,612.60 is: 3,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.48 : 12,683.52 = 2,612.60 : x
  2. Step 2: Convert to fraction form
    8,456.48/12,683.52 = 2,612.60/x
  3. Step 3: Cross multiply
    8,456.48x = 12,683.52 × 2,612.60
  4. Step 4: Simplify right side
    8,456.48x = 33,136,964.35
  5. Step 5: Solve for x
    x = 33,136,964.35/8,456.48
  6. Step 6: Final answer
    x = 3,918.53

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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.