Home / 5,640.08-8,460.40-4,893.44

Finding the Fourth Proportional to 5,640.08, 8,460.40 and 4,893.44

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Solution

The fourth proportional to 5,640.08, 8,460.40 and 4,893.44 is: 7,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.08 : 8,460.40 = 4,893.44 : x
  2. Step 2: Convert to fraction form
    5,640.08/8,460.40 = 4,893.44/x
  3. Step 3: Cross multiply
    5,640.08x = 8,460.40 × 4,893.44
  4. Step 4: Simplify right side
    5,640.08x = 41,400,459.78
  5. Step 5: Solve for x
    x = 41,400,459.78/5,640.08
  6. Step 6: Final answer
    x = 7,340.40

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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.