Home / 7,694.40-10,621.82-4,507.26

Finding the Fourth Proportional to 7,694.40, 10,621.82 and 4,507.26

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Solution

The fourth proportional to 7,694.40, 10,621.82 and 4,507.26 is: 6,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.40 : 10,621.82 = 4,507.26 : x
  2. Step 2: Convert to fraction form
    7,694.40/10,621.82 = 4,507.26/x
  3. Step 3: Cross multiply
    7,694.40x = 10,621.82 × 4,507.26
  4. Step 4: Simplify right side
    7,694.40x = 47,875,281.88
  5. Step 5: Solve for x
    x = 47,875,281.88/7,694.40
  6. Step 6: Final answer
    x = 6,222.09

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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.