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Finding the Fourth Proportional to 4,984.80, 6,881.04 and 3,641.64

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Solution

The fourth proportional to 4,984.80, 6,881.04 and 3,641.64 is: 5,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.80 : 6,881.04 = 3,641.64 : x
  2. Step 2: Convert to fraction form
    4,984.80/6,881.04 = 3,641.64/x
  3. Step 3: Cross multiply
    4,984.80x = 6,881.04 × 3,641.64
  4. Step 4: Simplify right side
    4,984.80x = 25,058,270.51
  5. Step 5: Solve for x
    x = 25,058,270.51/4,984.80
  6. Step 6: Final answer
    x = 5,026.94

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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.