Home / 8,856.08-13,285.96-7,405.37

Finding the Fourth Proportional to 8,856.08, 13,285.96 and 7,405.37

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Solution

The fourth proportional to 8,856.08, 13,285.96 and 7,405.37 is: 11,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.08 : 13,285.96 = 7,405.37 : x
  2. Step 2: Convert to fraction form
    8,856.08/13,285.96 = 7,405.37/x
  3. Step 3: Cross multiply
    8,856.08x = 13,285.96 × 7,405.37
  4. Step 4: Simplify right side
    8,856.08x = 98,387,464.31
  5. Step 5: Solve for x
    x = 98,387,464.31/8,856.08
  6. Step 6: Final answer
    x = 11,109.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.