Home / 6,949.96-10,422.50-4,313.40

Finding the Fourth Proportional to 6,949.96, 10,422.50 and 4,313.40

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Solution

The fourth proportional to 6,949.96, 10,422.50 and 4,313.40 is: 6,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.96 : 10,422.50 = 4,313.40 : x
  2. Step 2: Convert to fraction form
    6,949.96/10,422.50 = 4,313.40/x
  3. Step 3: Cross multiply
    6,949.96x = 10,422.50 × 4,313.40
  4. Step 4: Simplify right side
    6,949.96x = 44,956,411.50
  5. Step 5: Solve for x
    x = 44,956,411.50/6,949.96
  6. Step 6: Final answer
    x = 6,468.59

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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.