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Finding the Fourth Proportional to 5,862.84, 8,090.96 and 3,210.48

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Solution

The fourth proportional to 5,862.84, 8,090.96 and 3,210.48 is: 4,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.84 : 8,090.96 = 3,210.48 : x
  2. Step 2: Convert to fraction form
    5,862.84/8,090.96 = 3,210.48/x
  3. Step 3: Cross multiply
    5,862.84x = 8,090.96 × 3,210.48
  4. Step 4: Simplify right side
    5,862.84x = 25,975,865.26
  5. Step 5: Solve for x
    x = 25,975,865.26/5,862.84
  6. Step 6: Final answer
    x = 4,430.59

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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.