Home / 5,348.79-7,378.88-3,460.99

Finding the Fourth Proportional to 5,348.79, 7,378.88 and 3,460.99

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Solution

The fourth proportional to 5,348.79, 7,378.88 and 3,460.99 is: 4,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.79 : 7,378.88 = 3,460.99 : x
  2. Step 2: Convert to fraction form
    5,348.79/7,378.88 = 3,460.99/x
  3. Step 3: Cross multiply
    5,348.79x = 7,378.88 × 3,460.99
  4. Step 4: Simplify right side
    5,348.79x = 25,538,194.14
  5. Step 5: Solve for x
    x = 25,538,194.14/5,348.79
  6. Step 6: Final answer
    x = 4,774.57

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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.