Home / 9,350.84-12,903.62-5,578.28

Finding the Fourth Proportional to 9,350.84, 12,903.62 and 5,578.28

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Solution

The fourth proportional to 9,350.84, 12,903.62 and 5,578.28 is: 7,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.84 : 12,903.62 = 5,578.28 : x
  2. Step 2: Convert to fraction form
    9,350.84/12,903.62 = 5,578.28/x
  3. Step 3: Cross multiply
    9,350.84x = 12,903.62 × 5,578.28
  4. Step 4: Simplify right side
    9,350.84x = 71,980,005.37
  5. Step 5: Solve for x
    x = 71,980,005.37/9,350.84
  6. Step 6: Final answer
    x = 7,697.70

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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.