Home / 5,019.72-6,926.19-3,030.39

Finding the Fourth Proportional to 5,019.72, 6,926.19 and 3,030.39

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Solution

The fourth proportional to 5,019.72, 6,926.19 and 3,030.39 is: 4,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.72 : 6,926.19 = 3,030.39 : x
  2. Step 2: Convert to fraction form
    5,019.72/6,926.19 = 3,030.39/x
  3. Step 3: Cross multiply
    5,019.72x = 6,926.19 × 3,030.39
  4. Step 4: Simplify right side
    5,019.72x = 20,989,056.91
  5. Step 5: Solve for x
    x = 20,989,056.91/5,019.72
  6. Step 6: Final answer
    x = 4,181.32

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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.