Home / 7,427.60-10,246.92-4,912.40

Finding the Fourth Proportional to 7,427.60, 10,246.92 and 4,912.40

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Solution

The fourth proportional to 7,427.60, 10,246.92 and 4,912.40 is: 6,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.60 : 10,246.92 = 4,912.40 : x
  2. Step 2: Convert to fraction form
    7,427.60/10,246.92 = 4,912.40/x
  3. Step 3: Cross multiply
    7,427.60x = 10,246.92 × 4,912.40
  4. Step 4: Simplify right side
    7,427.60x = 50,336,969.81
  5. Step 5: Solve for x
    x = 50,336,969.81/7,427.60
  6. Step 6: Final answer
    x = 6,777.02

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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.