Home / 6,478.39-9,711.64-2,317.42

Finding the Fourth Proportional to 6,478.39, 9,711.64 and 2,317.42

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Solution

The fourth proportional to 6,478.39, 9,711.64 and 2,317.42 is: 3,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.39 : 9,711.64 = 2,317.42 : x
  2. Step 2: Convert to fraction form
    6,478.39/9,711.64 = 2,317.42/x
  3. Step 3: Cross multiply
    6,478.39x = 9,711.64 × 2,317.42
  4. Step 4: Simplify right side
    6,478.39x = 22,505,888.62
  5. Step 5: Solve for x
    x = 22,505,888.62/6,478.39
  6. Step 6: Final answer
    x = 3,474.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.