Home / 6,518.04-8,985.96-4,126.80

Finding the Fourth Proportional to 6,518.04, 8,985.96 and 4,126.80

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Solution

The fourth proportional to 6,518.04, 8,985.96 and 4,126.80 is: 5,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.04 : 8,985.96 = 4,126.80 : x
  2. Step 2: Convert to fraction form
    6,518.04/8,985.96 = 4,126.80/x
  3. Step 3: Cross multiply
    6,518.04x = 8,985.96 × 4,126.80
  4. Step 4: Simplify right side
    6,518.04x = 37,083,259.73
  5. Step 5: Solve for x
    x = 37,083,259.73/6,518.04
  6. Step 6: Final answer
    x = 5,689.33

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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.