Home / 4,290.56-5,923.84-2,892.80

Finding the Fourth Proportional to 4,290.56, 5,923.84 and 2,892.80

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Solution

The fourth proportional to 4,290.56, 5,923.84 and 2,892.80 is: 3,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.56 : 5,923.84 = 2,892.80 : x
  2. Step 2: Convert to fraction form
    4,290.56/5,923.84 = 2,892.80/x
  3. Step 3: Cross multiply
    4,290.56x = 5,923.84 × 2,892.80
  4. Step 4: Simplify right side
    4,290.56x = 17,136,484.35
  5. Step 5: Solve for x
    x = 17,136,484.35/4,290.56
  6. Step 6: Final answer
    x = 3,994.00

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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.