Home / 6,684.05-10,030.93-2,990.45

Finding the Fourth Proportional to 6,684.05, 10,030.93 and 2,990.45

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Solution

The fourth proportional to 6,684.05, 10,030.93 and 2,990.45 is: 4,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.05 : 10,030.93 = 2,990.45 : x
  2. Step 2: Convert to fraction form
    6,684.05/10,030.93 = 2,990.45/x
  3. Step 3: Cross multiply
    6,684.05x = 10,030.93 × 2,990.45
  4. Step 4: Simplify right side
    6,684.05x = 29,997,012.22
  5. Step 5: Solve for x
    x = 29,997,012.22/6,684.05
  6. Step 6: Final answer
    x = 4,487.85

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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.