Home / 6,907.79-10,364.75-3,620.10

Finding the Fourth Proportional to 6,907.79, 10,364.75 and 3,620.10

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Solution

The fourth proportional to 6,907.79, 10,364.75 and 3,620.10 is: 5,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.79 : 10,364.75 = 3,620.10 : x
  2. Step 2: Convert to fraction form
    6,907.79/10,364.75 = 3,620.10/x
  3. Step 3: Cross multiply
    6,907.79x = 10,364.75 × 3,620.10
  4. Step 4: Simplify right side
    6,907.79x = 37,521,431.48
  5. Step 5: Solve for x
    x = 37,521,431.48/6,907.79
  6. Step 6: Final answer
    x = 5,431.76

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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.