Home / 9,081.70-12,530.36-5,302.64

Finding the Fourth Proportional to 9,081.70, 12,530.36 and 5,302.64

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Solution

The fourth proportional to 9,081.70, 12,530.36 and 5,302.64 is: 7,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.70 : 12,530.36 = 5,302.64 : x
  2. Step 2: Convert to fraction form
    9,081.70/12,530.36 = 5,302.64/x
  3. Step 3: Cross multiply
    9,081.70x = 12,530.36 × 5,302.64
  4. Step 4: Simplify right side
    9,081.70x = 66,443,961.64
  5. Step 5: Solve for x
    x = 66,443,961.64/9,081.70
  6. Step 6: Final answer
    x = 7,316.25

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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.