Home / 6,303.45-9,456.60-1,921.25

Finding the Fourth Proportional to 6,303.45, 9,456.60 and 1,921.25

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Solution

The fourth proportional to 6,303.45, 9,456.60 and 1,921.25 is: 2,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.45 : 9,456.60 = 1,921.25 : x
  2. Step 2: Convert to fraction form
    6,303.45/9,456.60 = 1,921.25/x
  3. Step 3: Cross multiply
    6,303.45x = 9,456.60 × 1,921.25
  4. Step 4: Simplify right side
    6,303.45x = 18,168,445.47
  5. Step 5: Solve for x
    x = 18,168,445.47/6,303.45
  6. Step 6: Final answer
    x = 2,882.30

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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.