Home / 7,124.78-9,832.58-4,293.05

Finding the Fourth Proportional to 7,124.78, 9,832.58 and 4,293.05

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Solution

The fourth proportional to 7,124.78, 9,832.58 and 4,293.05 is: 5,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.78 : 9,832.58 = 4,293.05 : x
  2. Step 2: Convert to fraction form
    7,124.78/9,832.58 = 4,293.05/x
  3. Step 3: Cross multiply
    7,124.78x = 9,832.58 × 4,293.05
  4. Step 4: Simplify right side
    7,124.78x = 42,211,792.88
  5. Step 5: Solve for x
    x = 42,211,792.88/7,124.78
  6. Step 6: Final answer
    x = 5,924.64

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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.