Home / 9,611.08-13,262.63-5,578.02

Finding the Fourth Proportional to 9,611.08, 13,262.63 and 5,578.02

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Solution

The fourth proportional to 9,611.08, 13,262.63 and 5,578.02 is: 7,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.08 : 13,262.63 = 5,578.02 : x
  2. Step 2: Convert to fraction form
    9,611.08/13,262.63 = 5,578.02/x
  3. Step 3: Cross multiply
    9,611.08x = 13,262.63 × 5,578.02
  4. Step 4: Simplify right side
    9,611.08x = 73,979,215.39
  5. Step 5: Solve for x
    x = 73,979,215.39/9,611.08
  6. Step 6: Final answer
    x = 7,697.28

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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.