Home / 5,435.92-7,501.60-3,078.24

Finding the Fourth Proportional to 5,435.92, 7,501.60 and 3,078.24

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Solution

The fourth proportional to 5,435.92, 7,501.60 and 3,078.24 is: 4,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.92 : 7,501.60 = 3,078.24 : x
  2. Step 2: Convert to fraction form
    5,435.92/7,501.60 = 3,078.24/x
  3. Step 3: Cross multiply
    5,435.92x = 7,501.60 × 3,078.24
  4. Step 4: Simplify right side
    5,435.92x = 23,091,725.18
  5. Step 5: Solve for x
    x = 23,091,725.18/5,435.92
  6. Step 6: Final answer
    x = 4,247.99

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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.