Home / 5,681.42-8,517.60-2,718.32

Finding the Fourth Proportional to 5,681.42, 8,517.60 and 2,718.32

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Solution

The fourth proportional to 5,681.42, 8,517.60 and 2,718.32 is: 4,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.42 : 8,517.60 = 2,718.32 : x
  2. Step 2: Convert to fraction form
    5,681.42/8,517.60 = 2,718.32/x
  3. Step 3: Cross multiply
    5,681.42x = 8,517.60 × 2,718.32
  4. Step 4: Simplify right side
    5,681.42x = 23,153,562.43
  5. Step 5: Solve for x
    x = 23,153,562.43/5,681.42
  6. Step 6: Final answer
    x = 4,075.31

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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.