Home / 6,945.87-9,586.86-4,427.48

Finding the Fourth Proportional to 6,945.87, 9,586.86 and 4,427.48

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Solution

The fourth proportional to 6,945.87, 9,586.86 and 4,427.48 is: 6,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.87 : 9,586.86 = 4,427.48 : x
  2. Step 2: Convert to fraction form
    6,945.87/9,586.86 = 4,427.48/x
  3. Step 3: Cross multiply
    6,945.87x = 9,586.86 × 4,427.48
  4. Step 4: Simplify right side
    6,945.87x = 42,445,627.23
  5. Step 5: Solve for x
    x = 42,445,627.23/6,945.87
  6. Step 6: Final answer
    x = 6,110.92

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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.