Home / 9,210.21-12,712.44-5,232.60

Finding the Fourth Proportional to 9,210.21, 12,712.44 and 5,232.60

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Solution

The fourth proportional to 9,210.21, 12,712.44 and 5,232.60 is: 7,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.21 : 12,712.44 = 5,232.60 : x
  2. Step 2: Convert to fraction form
    9,210.21/12,712.44 = 5,232.60/x
  3. Step 3: Cross multiply
    9,210.21x = 12,712.44 × 5,232.60
  4. Step 4: Simplify right side
    9,210.21x = 66,519,133.17
  5. Step 5: Solve for x
    x = 66,519,133.17/9,210.21
  6. Step 6: Final answer
    x = 7,222.33

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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.