Home / 5,862.75-8,090.80-3,210.18

Finding the Fourth Proportional to 5,862.75, 8,090.80 and 3,210.18

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Solution

The fourth proportional to 5,862.75, 8,090.80 and 3,210.18 is: 4,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.75 : 8,090.80 = 3,210.18 : x
  2. Step 2: Convert to fraction form
    5,862.75/8,090.80 = 3,210.18/x
  3. Step 3: Cross multiply
    5,862.75x = 8,090.80 × 3,210.18
  4. Step 4: Simplify right side
    5,862.75x = 25,972,928.36
  5. Step 5: Solve for x
    x = 25,972,928.36/5,862.75
  6. Step 6: Final answer
    x = 4,430.16

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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.