Home / 5,509.18-7,602.55-2,991.23

Finding the Fourth Proportional to 5,509.18, 7,602.55 and 2,991.23

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Solution

The fourth proportional to 5,509.18, 7,602.55 and 2,991.23 is: 4,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.18 : 7,602.55 = 2,991.23 : x
  2. Step 2: Convert to fraction form
    5,509.18/7,602.55 = 2,991.23/x
  3. Step 3: Cross multiply
    5,509.18x = 7,602.55 × 2,991.23
  4. Step 4: Simplify right side
    5,509.18x = 22,740,922.67
  5. Step 5: Solve for x
    x = 22,740,922.67/5,509.18
  6. Step 6: Final answer
    x = 4,127.83

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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.