Home / 6,643.07-9,157.42-5,462.09

Finding the Fourth Proportional to 6,643.07, 9,157.42 and 5,462.09

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Solution

The fourth proportional to 6,643.07, 9,157.42 and 5,462.09 is: 7,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.07 : 9,157.42 = 5,462.09 : x
  2. Step 2: Convert to fraction form
    6,643.07/9,157.42 = 5,462.09/x
  3. Step 3: Cross multiply
    6,643.07x = 9,157.42 × 5,462.09
  4. Step 4: Simplify right side
    6,643.07x = 50,018,652.21
  5. Step 5: Solve for x
    x = 50,018,652.21/6,643.07
  6. Step 6: Final answer
    x = 7,529.45

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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.