Home / 4,626.09-6,386.47-3,115.81

Finding the Fourth Proportional to 4,626.09, 6,386.47 and 3,115.81

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Solution

The fourth proportional to 4,626.09, 6,386.47 and 3,115.81 is: 4,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.09 : 6,386.47 = 3,115.81 : x
  2. Step 2: Convert to fraction form
    4,626.09/6,386.47 = 3,115.81/x
  3. Step 3: Cross multiply
    4,626.09x = 6,386.47 × 3,115.81
  4. Step 4: Simplify right side
    4,626.09x = 19,899,027.09
  5. Step 5: Solve for x
    x = 19,899,027.09/4,626.09
  6. Step 6: Final answer
    x = 4,301.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.