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Finding the Fourth Proportional to 9,302.01, 12,835.22 and 5,322.30

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Solution

The fourth proportional to 9,302.01, 12,835.22 and 5,322.30 is: 7,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.01 : 12,835.22 = 5,322.30 : x
  2. Step 2: Convert to fraction form
    9,302.01/12,835.22 = 5,322.30/x
  3. Step 3: Cross multiply
    9,302.01x = 12,835.22 × 5,322.30
  4. Step 4: Simplify right side
    9,302.01x = 68,312,864.79
  5. Step 5: Solve for x
    x = 68,312,864.79/9,302.01
  6. Step 6: Final answer
    x = 7,343.88

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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.