Home / 7,420.92-10,240.26-4,277.32

Finding the Fourth Proportional to 7,420.92, 10,240.26 and 4,277.32

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Solution

The fourth proportional to 7,420.92, 10,240.26 and 4,277.32 is: 5,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.92 : 10,240.26 = 4,277.32 : x
  2. Step 2: Convert to fraction form
    7,420.92/10,240.26 = 4,277.32/x
  3. Step 3: Cross multiply
    7,420.92x = 10,240.26 × 4,277.32
  4. Step 4: Simplify right side
    7,420.92x = 43,800,868.90
  5. Step 5: Solve for x
    x = 43,800,868.90/7,420.92
  6. Step 6: Final answer
    x = 5,902.35

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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.