Home / 6,438.22-8,889.01-4,943.45

Finding the Fourth Proportional to 6,438.22, 8,889.01 and 4,943.45

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Solution

The fourth proportional to 6,438.22, 8,889.01 and 4,943.45 is: 6,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.22 : 8,889.01 = 4,943.45 : x
  2. Step 2: Convert to fraction form
    6,438.22/8,889.01 = 4,943.45/x
  3. Step 3: Cross multiply
    6,438.22x = 8,889.01 × 4,943.45
  4. Step 4: Simplify right side
    6,438.22x = 43,942,386.35
  5. Step 5: Solve for x
    x = 43,942,386.35/6,438.22
  6. Step 6: Final answer
    x = 6,825.24

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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.