Home / 5,381.75-7,429.86-3,495.02

Finding the Fourth Proportional to 5,381.75, 7,429.86 and 3,495.02

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Solution

The fourth proportional to 5,381.75, 7,429.86 and 3,495.02 is: 4,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.75 : 7,429.86 = 3,495.02 : x
  2. Step 2: Convert to fraction form
    5,381.75/7,429.86 = 3,495.02/x
  3. Step 3: Cross multiply
    5,381.75x = 7,429.86 × 3,495.02
  4. Step 4: Simplify right side
    5,381.75x = 25,967,509.30
  5. Step 5: Solve for x
    x = 25,967,509.30/5,381.75
  6. Step 6: Final answer
    x = 4,825.11

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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.