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Finding the Fourth Proportional to 5,681.93, 8,504.64 and 3,042.86

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Solution

The fourth proportional to 5,681.93, 8,504.64 and 3,042.86 is: 4,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.93 : 8,504.64 = 3,042.86 : x
  2. Step 2: Convert to fraction form
    5,681.93/8,504.64 = 3,042.86/x
  3. Step 3: Cross multiply
    5,681.93x = 8,504.64 × 3,042.86
  4. Step 4: Simplify right side
    5,681.93x = 25,878,386.35
  5. Step 5: Solve for x
    x = 25,878,386.35/5,681.93
  6. Step 6: Final answer
    x = 4,554.51

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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.