Home / 9,330.31-12,875.60-5,297.89

Finding the Fourth Proportional to 9,330.31, 12,875.60 and 5,297.89

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Solution

The fourth proportional to 9,330.31, 12,875.60 and 5,297.89 is: 7,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.31 : 12,875.60 = 5,297.89 : x
  2. Step 2: Convert to fraction form
    9,330.31/12,875.60 = 5,297.89/x
  3. Step 3: Cross multiply
    9,330.31x = 12,875.60 × 5,297.89
  4. Step 4: Simplify right side
    9,330.31x = 68,213,485.99
  5. Step 5: Solve for x
    x = 68,213,485.99/9,330.31
  6. Step 6: Final answer
    x = 7,310.96

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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.