Home / 6,420.89-9,632.81-2,723.26

Finding the Fourth Proportional to 6,420.89, 9,632.81 and 2,723.26

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Solution

The fourth proportional to 6,420.89, 9,632.81 and 2,723.26 is: 4,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.89 : 9,632.81 = 2,723.26 : x
  2. Step 2: Convert to fraction form
    6,420.89/9,632.81 = 2,723.26/x
  3. Step 3: Cross multiply
    6,420.89x = 9,632.81 × 2,723.26
  4. Step 4: Simplify right side
    6,420.89x = 26,232,608.46
  5. Step 5: Solve for x
    x = 26,232,608.46/6,420.89
  6. Step 6: Final answer
    x = 4,085.51

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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.