Home / 5,290.20-7,304.04-4,728.87

Finding the Fourth Proportional to 5,290.20, 7,304.04 and 4,728.87

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Solution

The fourth proportional to 5,290.20, 7,304.04 and 4,728.87 is: 6,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.20 : 7,304.04 = 4,728.87 : x
  2. Step 2: Convert to fraction form
    5,290.20/7,304.04 = 4,728.87/x
  3. Step 3: Cross multiply
    5,290.20x = 7,304.04 × 4,728.87
  4. Step 4: Simplify right side
    5,290.20x = 34,539,855.63
  5. Step 5: Solve for x
    x = 34,539,855.63/5,290.20
  6. Step 6: Final answer
    x = 6,529.03

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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.