Home / 8,417.36-11,615.43-4,640.33

Finding the Fourth Proportional to 8,417.36, 11,615.43 and 4,640.33

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Solution

The fourth proportional to 8,417.36, 11,615.43 and 4,640.33 is: 6,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.36 : 11,615.43 = 4,640.33 : x
  2. Step 2: Convert to fraction form
    8,417.36/11,615.43 = 4,640.33/x
  3. Step 3: Cross multiply
    8,417.36x = 11,615.43 × 4,640.33
  4. Step 4: Simplify right side
    8,417.36x = 53,899,428.29
  5. Step 5: Solve for x
    x = 53,899,428.29/8,417.36
  6. Step 6: Final answer
    x = 6,403.36

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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.