Home / 6,280.54-8,668.35-4,156.12

Finding the Fourth Proportional to 6,280.54, 8,668.35 and 4,156.12

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Solution

The fourth proportional to 6,280.54, 8,668.35 and 4,156.12 is: 5,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.54 : 8,668.35 = 4,156.12 : x
  2. Step 2: Convert to fraction form
    6,280.54/8,668.35 = 4,156.12/x
  3. Step 3: Cross multiply
    6,280.54x = 8,668.35 × 4,156.12
  4. Step 4: Simplify right side
    6,280.54x = 36,026,702.80
  5. Step 5: Solve for x
    x = 36,026,702.80/6,280.54
  6. Step 6: Final answer
    x = 5,736.24

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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.