Home / 6,365.31-8,777.66-4,240.23

Finding the Fourth Proportional to 6,365.31, 8,777.66 and 4,240.23

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Solution

The fourth proportional to 6,365.31, 8,777.66 and 4,240.23 is: 5,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.31 : 8,777.66 = 4,240.23 : x
  2. Step 2: Convert to fraction form
    6,365.31/8,777.66 = 4,240.23/x
  3. Step 3: Cross multiply
    6,365.31x = 8,777.66 × 4,240.23
  4. Step 4: Simplify right side
    6,365.31x = 37,219,276.06
  5. Step 5: Solve for x
    x = 37,219,276.06/6,365.31
  6. Step 6: Final answer
    x = 5,847.21

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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.