Home / 8,355.96-11,531.88-4,820.40

Finding the Fourth Proportional to 8,355.96, 11,531.88 and 4,820.40

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Solution

The fourth proportional to 8,355.96, 11,531.88 and 4,820.40 is: 6,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.96 : 11,531.88 = 4,820.40 : x
  2. Step 2: Convert to fraction form
    8,355.96/11,531.88 = 4,820.40/x
  3. Step 3: Cross multiply
    8,355.96x = 11,531.88 × 4,820.40
  4. Step 4: Simplify right side
    8,355.96x = 55,588,274.35
  5. Step 5: Solve for x
    x = 55,588,274.35/8,355.96
  6. Step 6: Final answer
    x = 6,652.53

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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.