Home / 6,300.20-8,693.86-3,505.64

Finding the Fourth Proportional to 6,300.20, 8,693.86 and 3,505.64

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Solution

The fourth proportional to 6,300.20, 8,693.86 and 3,505.64 is: 4,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.20 : 8,693.86 = 3,505.64 : x
  2. Step 2: Convert to fraction form
    6,300.20/8,693.86 = 3,505.64/x
  3. Step 3: Cross multiply
    6,300.20x = 8,693.86 × 3,505.64
  4. Step 4: Simplify right side
    6,300.20x = 30,477,543.37
  5. Step 5: Solve for x
    x = 30,477,543.37/6,300.20
  6. Step 6: Final answer
    x = 4,837.55

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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.