Home / 7,456.88-10,285.29-6,330.05

Finding the Fourth Proportional to 7,456.88, 10,285.29 and 6,330.05

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Solution

The fourth proportional to 7,456.88, 10,285.29 and 6,330.05 is: 8,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.88 : 10,285.29 = 6,330.05 : x
  2. Step 2: Convert to fraction form
    7,456.88/10,285.29 = 6,330.05/x
  3. Step 3: Cross multiply
    7,456.88x = 10,285.29 × 6,330.05
  4. Step 4: Simplify right side
    7,456.88x = 65,106,399.96
  5. Step 5: Solve for x
    x = 65,106,399.96/7,456.88
  6. Step 6: Final answer
    x = 8,731.05

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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.