Home / 5,277.43-7,281.07-3,485.80

Finding the Fourth Proportional to 5,277.43, 7,281.07 and 3,485.80

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Solution

The fourth proportional to 5,277.43, 7,281.07 and 3,485.80 is: 4,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.43 : 7,281.07 = 3,485.80 : x
  2. Step 2: Convert to fraction form
    5,277.43/7,281.07 = 3,485.80/x
  3. Step 3: Cross multiply
    5,277.43x = 7,281.07 × 3,485.80
  4. Step 4: Simplify right side
    5,277.43x = 25,380,353.81
  5. Step 5: Solve for x
    x = 25,380,353.81/5,277.43
  6. Step 6: Final answer
    x = 4,809.23

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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.