Home / 5,727.75-7,904.69-3,210.07

Finding the Fourth Proportional to 5,727.75, 7,904.69 and 3,210.07

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Solution

The fourth proportional to 5,727.75, 7,904.69 and 3,210.07 is: 4,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.75 : 7,904.69 = 3,210.07 : x
  2. Step 2: Convert to fraction form
    5,727.75/7,904.69 = 3,210.07/x
  3. Step 3: Cross multiply
    5,727.75x = 7,904.69 × 3,210.07
  4. Step 4: Simplify right side
    5,727.75x = 25,374,608.23
  5. Step 5: Solve for x
    x = 25,374,608.23/5,727.75
  6. Step 6: Final answer
    x = 4,430.12

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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.