Home / 5,509.36-7,602.99-2,991.50

Finding the Fourth Proportional to 5,509.36, 7,602.99 and 2,991.50

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Solution

The fourth proportional to 5,509.36, 7,602.99 and 2,991.50 is: 4,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.36 : 7,602.99 = 2,991.50 : x
  2. Step 2: Convert to fraction form
    5,509.36/7,602.99 = 2,991.50/x
  3. Step 3: Cross multiply
    5,509.36x = 7,602.99 × 2,991.50
  4. Step 4: Simplify right side
    5,509.36x = 22,744,306.57
  5. Step 5: Solve for x
    x = 22,744,306.57/5,509.36
  6. Step 6: Final answer
    x = 4,128.30

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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.