Home / 6,357.50-8,771.30-3,840.35

Finding the Fourth Proportional to 6,357.50, 8,771.30 and 3,840.35

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Solution

The fourth proportional to 6,357.50, 8,771.30 and 3,840.35 is: 5,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.50 : 8,771.30 = 3,840.35 : x
  2. Step 2: Convert to fraction form
    6,357.50/8,771.30 = 3,840.35/x
  3. Step 3: Cross multiply
    6,357.50x = 8,771.30 × 3,840.35
  4. Step 4: Simplify right side
    6,357.50x = 33,684,861.96
  5. Step 5: Solve for x
    x = 33,684,861.96/6,357.50
  6. Step 6: Final answer
    x = 5,298.45

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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.