Home / 8,544.48-12,807.90-3,615.36

Finding the Fourth Proportional to 8,544.48, 12,807.90 and 3,615.36

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Solution

The fourth proportional to 8,544.48, 12,807.90 and 3,615.36 is: 5,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.48 : 12,807.90 = 3,615.36 : x
  2. Step 2: Convert to fraction form
    8,544.48/12,807.90 = 3,615.36/x
  3. Step 3: Cross multiply
    8,544.48x = 12,807.90 × 3,615.36
  4. Step 4: Simplify right side
    8,544.48x = 46,305,169.34
  5. Step 5: Solve for x
    x = 46,305,169.34/8,544.48
  6. Step 6: Final answer
    x = 5,419.31

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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.