Home / 8,540.08-11,783.28-4,814.08

Finding the Fourth Proportional to 8,540.08, 11,783.28 and 4,814.08

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Solution

The fourth proportional to 8,540.08, 11,783.28 and 4,814.08 is: 6,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.08 : 11,783.28 = 4,814.08 : x
  2. Step 2: Convert to fraction form
    8,540.08/11,783.28 = 4,814.08/x
  3. Step 3: Cross multiply
    8,540.08x = 11,783.28 × 4,814.08
  4. Step 4: Simplify right side
    8,540.08x = 56,725,652.58
  5. Step 5: Solve for x
    x = 56,725,652.58/8,540.08
  6. Step 6: Final answer
    x = 6,642.29

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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.