Home / 9,315.05-12,848.26-6,325.69

Finding the Fourth Proportional to 9,315.05, 12,848.26 and 6,325.69

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Solution

The fourth proportional to 9,315.05, 12,848.26 and 6,325.69 is: 8,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.05 : 12,848.26 = 6,325.69 : x
  2. Step 2: Convert to fraction form
    9,315.05/12,848.26 = 6,325.69/x
  3. Step 3: Cross multiply
    9,315.05x = 12,848.26 × 6,325.69
  4. Step 4: Simplify right side
    9,315.05x = 81,274,093.99
  5. Step 5: Solve for x
    x = 81,274,093.99/9,315.05
  6. Step 6: Final answer
    x = 8,725.03

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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.