Home / 5,090.94-7,637.61-1,580.77

Finding the Fourth Proportional to 5,090.94, 7,637.61 and 1,580.77

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Solution

The fourth proportional to 5,090.94, 7,637.61 and 1,580.77 is: 2,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.94 : 7,637.61 = 1,580.77 : x
  2. Step 2: Convert to fraction form
    5,090.94/7,637.61 = 1,580.77/x
  3. Step 3: Cross multiply
    5,090.94x = 7,637.61 × 1,580.77
  4. Step 4: Simplify right side
    5,090.94x = 12,073,282.70
  5. Step 5: Solve for x
    x = 12,073,282.70/5,090.94
  6. Step 6: Final answer
    x = 2,371.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.