Home / 5,307.42-7,322.19-3,418.74

Finding the Fourth Proportional to 5,307.42, 7,322.19 and 3,418.74

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Solution

The fourth proportional to 5,307.42, 7,322.19 and 3,418.74 is: 4,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.42 : 7,322.19 = 3,418.74 : x
  2. Step 2: Convert to fraction form
    5,307.42/7,322.19 = 3,418.74/x
  3. Step 3: Cross multiply
    5,307.42x = 7,322.19 × 3,418.74
  4. Step 4: Simplify right side
    5,307.42x = 25,032,663.84
  5. Step 5: Solve for x
    x = 25,032,663.84/5,307.42
  6. Step 6: Final answer
    x = 4,716.54

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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.