Home / 8,355.08-11,530.20-4,578.32

Finding the Fourth Proportional to 8,355.08, 11,530.20 and 4,578.32

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Solution

The fourth proportional to 8,355.08, 11,530.20 and 4,578.32 is: 6,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.08 : 11,530.20 = 4,578.32 : x
  2. Step 2: Convert to fraction form
    8,355.08/11,530.20 = 4,578.32/x
  3. Step 3: Cross multiply
    8,355.08x = 11,530.20 × 4,578.32
  4. Step 4: Simplify right side
    8,355.08x = 52,788,945.26
  5. Step 5: Solve for x
    x = 52,788,945.26/8,355.08
  6. Step 6: Final answer
    x = 6,318.19

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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.