Home / 5,718.99-8,577.38-2,020.80

Finding the Fourth Proportional to 5,718.99, 8,577.38 and 2,020.80

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Solution

The fourth proportional to 5,718.99, 8,577.38 and 2,020.80 is: 3,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.99 : 8,577.38 = 2,020.80 : x
  2. Step 2: Convert to fraction form
    5,718.99/8,577.38 = 2,020.80/x
  3. Step 3: Cross multiply
    5,718.99x = 8,577.38 × 2,020.80
  4. Step 4: Simplify right side
    5,718.99x = 17,333,159.40
  5. Step 5: Solve for x
    x = 17,333,159.40/5,718.99
  6. Step 6: Final answer
    x = 3,030.81

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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.