Home / 8,325.72-11,485.80-6,437.88

Finding the Fourth Proportional to 8,325.72, 11,485.80 and 6,437.88

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Solution

The fourth proportional to 8,325.72, 11,485.80 and 6,437.88 is: 8,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.72 : 11,485.80 = 6,437.88 : x
  2. Step 2: Convert to fraction form
    8,325.72/11,485.80 = 6,437.88/x
  3. Step 3: Cross multiply
    8,325.72x = 11,485.80 × 6,437.88
  4. Step 4: Simplify right side
    8,325.72x = 73,944,202.10
  5. Step 5: Solve for x
    x = 73,944,202.10/8,325.72
  6. Step 6: Final answer
    x = 8,881.42

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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.