Home / 8,051.63-11,111.24-4,909.64

Finding the Fourth Proportional to 8,051.63, 11,111.24 and 4,909.64

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Solution

The fourth proportional to 8,051.63, 11,111.24 and 4,909.64 is: 6,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.63 : 11,111.24 = 4,909.64 : x
  2. Step 2: Convert to fraction form
    8,051.63/11,111.24 = 4,909.64/x
  3. Step 3: Cross multiply
    8,051.63x = 11,111.24 × 4,909.64
  4. Step 4: Simplify right side
    8,051.63x = 54,552,145.07
  5. Step 5: Solve for x
    x = 54,552,145.07/8,051.63
  6. Step 6: Final answer
    x = 6,775.30

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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.