Home / 6,776.87-10,158.01-4,429.49

Finding the Fourth Proportional to 6,776.87, 10,158.01 and 4,429.49

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Solution

The fourth proportional to 6,776.87, 10,158.01 and 4,429.49 is: 6,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.87 : 10,158.01 = 4,429.49 : x
  2. Step 2: Convert to fraction form
    6,776.87/10,158.01 = 4,429.49/x
  3. Step 3: Cross multiply
    6,776.87x = 10,158.01 × 4,429.49
  4. Step 4: Simplify right side
    6,776.87x = 44,994,741.85
  5. Step 5: Solve for x
    x = 44,994,741.85/6,776.87
  6. Step 6: Final answer
    x = 6,639.46

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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.