Home / 6,289.02-8,677.44-3,636.36

Finding the Fourth Proportional to 6,289.02, 8,677.44 and 3,636.36

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Solution

The fourth proportional to 6,289.02, 8,677.44 and 3,636.36 is: 5,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.02 : 8,677.44 = 3,636.36 : x
  2. Step 2: Convert to fraction form
    6,289.02/8,677.44 = 3,636.36/x
  3. Step 3: Cross multiply
    6,289.02x = 8,677.44 × 3,636.36
  4. Step 4: Simplify right side
    6,289.02x = 31,554,295.72
  5. Step 5: Solve for x
    x = 31,554,295.72/6,289.02
  6. Step 6: Final answer
    x = 5,017.36

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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.