Home / 9,303.45-12,839.87-5,325.84

Finding the Fourth Proportional to 9,303.45, 12,839.87 and 5,325.84

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Solution

The fourth proportional to 9,303.45, 12,839.87 and 5,325.84 is: 7,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.45 : 12,839.87 = 5,325.84 : x
  2. Step 2: Convert to fraction form
    9,303.45/12,839.87 = 5,325.84/x
  3. Step 3: Cross multiply
    9,303.45x = 12,839.87 × 5,325.84
  4. Step 4: Simplify right side
    9,303.45x = 68,383,112.71
  5. Step 5: Solve for x
    x = 68,383,112.71/9,303.45
  6. Step 6: Final answer
    x = 7,350.30

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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.