Home / 4,218.81-6,328.23-1,297.10

Finding the Fourth Proportional to 4,218.81, 6,328.23 and 1,297.10

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Solution

The fourth proportional to 4,218.81, 6,328.23 and 1,297.10 is: 1,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.81 : 6,328.23 = 1,297.10 : x
  2. Step 2: Convert to fraction form
    4,218.81/6,328.23 = 1,297.10/x
  3. Step 3: Cross multiply
    4,218.81x = 6,328.23 × 1,297.10
  4. Step 4: Simplify right side
    4,218.81x = 8,208,315.49
  5. Step 5: Solve for x
    x = 8,208,315.49/4,218.81
  6. Step 6: Final answer
    x = 1,945.65

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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.