Home / 4,297.80-6,446.76-1,376.40

Finding the Fourth Proportional to 4,297.80, 6,446.76 and 1,376.40

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Solution

The fourth proportional to 4,297.80, 6,446.76 and 1,376.40 is: 2,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.80 : 6,446.76 = 1,376.40 : x
  2. Step 2: Convert to fraction form
    4,297.80/6,446.76 = 1,376.40/x
  3. Step 3: Cross multiply
    4,297.80x = 6,446.76 × 1,376.40
  4. Step 4: Simplify right side
    4,297.80x = 8,873,320.46
  5. Step 5: Solve for x
    x = 8,873,320.46/4,297.80
  6. Step 6: Final answer
    x = 2,064.62

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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.