Home / 6,861.87-9,464.57-4,210.34

Finding the Fourth Proportional to 6,861.87, 9,464.57 and 4,210.34

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Solution

The fourth proportional to 6,861.87, 9,464.57 and 4,210.34 is: 5,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.87 : 9,464.57 = 4,210.34 : x
  2. Step 2: Convert to fraction form
    6,861.87/9,464.57 = 4,210.34/x
  3. Step 3: Cross multiply
    6,861.87x = 9,464.57 × 4,210.34
  4. Step 4: Simplify right side
    6,861.87x = 39,848,989.28
  5. Step 5: Solve for x
    x = 39,848,989.28/6,861.87
  6. Step 6: Final answer
    x = 5,807.31

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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.