Home / 9,064.25-12,507.59-5,288.21

Finding the Fourth Proportional to 9,064.25, 12,507.59 and 5,288.21

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Solution

The fourth proportional to 9,064.25, 12,507.59 and 5,288.21 is: 7,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.25 : 12,507.59 = 5,288.21 : x
  2. Step 2: Convert to fraction form
    9,064.25/12,507.59 = 5,288.21/x
  3. Step 3: Cross multiply
    9,064.25x = 12,507.59 × 5,288.21
  4. Step 4: Simplify right side
    9,064.25x = 66,142,736.07
  5. Step 5: Solve for x
    x = 66,142,736.07/9,064.25
  6. Step 6: Final answer
    x = 7,297.10

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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.