Home / 8,419.95-11,617.67-4,834.69

Finding the Fourth Proportional to 8,419.95, 11,617.67 and 4,834.69

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Solution

The fourth proportional to 8,419.95, 11,617.67 and 4,834.69 is: 6,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.95 : 11,617.67 = 4,834.69 : x
  2. Step 2: Convert to fraction form
    8,419.95/11,617.67 = 4,834.69/x
  3. Step 3: Cross multiply
    8,419.95x = 11,617.67 × 4,834.69
  4. Step 4: Simplify right side
    8,419.95x = 56,167,832.97
  5. Step 5: Solve for x
    x = 56,167,832.97/8,419.95
  6. Step 6: Final answer
    x = 6,670.80

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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.