Home / 6,889.34-9,490.41-4,995.36

Finding the Fourth Proportional to 6,889.34, 9,490.41 and 4,995.36

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Solution

The fourth proportional to 6,889.34, 9,490.41 and 4,995.36 is: 6,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.34 : 9,490.41 = 4,995.36 : x
  2. Step 2: Convert to fraction form
    6,889.34/9,490.41 = 4,995.36/x
  3. Step 3: Cross multiply
    6,889.34x = 9,490.41 × 4,995.36
  4. Step 4: Simplify right side
    6,889.34x = 47,407,967.05
  5. Step 5: Solve for x
    x = 47,407,967.05/6,889.34
  6. Step 6: Final answer
    x = 6,881.36

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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.