Home / 8,911.08-13,349.58-5,402.16

Finding the Fourth Proportional to 8,911.08, 13,349.58 and 5,402.16

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Solution

The fourth proportional to 8,911.08, 13,349.58 and 5,402.16 is: 8,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.08 : 13,349.58 = 5,402.16 : x
  2. Step 2: Convert to fraction form
    8,911.08/13,349.58 = 5,402.16/x
  3. Step 3: Cross multiply
    8,911.08x = 13,349.58 × 5,402.16
  4. Step 4: Simplify right side
    8,911.08x = 72,116,567.09
  5. Step 5: Solve for x
    x = 72,116,567.09/8,911.08
  6. Step 6: Final answer
    x = 8,092.91

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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.