Home / 5,825.80-8,739.15-1,666.18

Finding the Fourth Proportional to 5,825.80, 8,739.15 and 1,666.18

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Solution

The fourth proportional to 5,825.80, 8,739.15 and 1,666.18 is: 2,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.80 : 8,739.15 = 1,666.18 : x
  2. Step 2: Convert to fraction form
    5,825.80/8,739.15 = 1,666.18/x
  3. Step 3: Cross multiply
    5,825.80x = 8,739.15 × 1,666.18
  4. Step 4: Simplify right side
    5,825.80x = 14,560,996.95
  5. Step 5: Solve for x
    x = 14,560,996.95/5,825.80
  6. Step 6: Final answer
    x = 2,499.40

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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.