Home / 6,969.50-10,457.84-4,631.12

Finding the Fourth Proportional to 6,969.50, 10,457.84 and 4,631.12

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Solution

The fourth proportional to 6,969.50, 10,457.84 and 4,631.12 is: 6,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.50 : 10,457.84 = 4,631.12 : x
  2. Step 2: Convert to fraction form
    6,969.50/10,457.84 = 4,631.12/x
  3. Step 3: Cross multiply
    6,969.50x = 10,457.84 × 4,631.12
  4. Step 4: Simplify right side
    6,969.50x = 48,431,511.98
  5. Step 5: Solve for x
    x = 48,431,511.98/6,969.50
  6. Step 6: Final answer
    x = 6,949.07

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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.