Home / 6,118.45-8,447.53-4,699.60

Finding the Fourth Proportional to 6,118.45, 8,447.53 and 4,699.60

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Solution

The fourth proportional to 6,118.45, 8,447.53 and 4,699.60 is: 6,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.45 : 8,447.53 = 4,699.60 : x
  2. Step 2: Convert to fraction form
    6,118.45/8,447.53 = 4,699.60/x
  3. Step 3: Cross multiply
    6,118.45x = 8,447.53 × 4,699.60
  4. Step 4: Simplify right side
    6,118.45x = 39,700,037.79
  5. Step 5: Solve for x
    x = 39,700,037.79/6,118.45
  6. Step 6: Final answer
    x = 6,488.57

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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.