Home / 8,434.22-11,638.26-4,896.72

Finding the Fourth Proportional to 8,434.22, 11,638.26 and 4,896.72

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Solution

The fourth proportional to 8,434.22, 11,638.26 and 4,896.72 is: 6,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.22 : 11,638.26 = 4,896.72 : x
  2. Step 2: Convert to fraction form
    8,434.22/11,638.26 = 4,896.72/x
  3. Step 3: Cross multiply
    8,434.22x = 11,638.26 × 4,896.72
  4. Step 4: Simplify right side
    8,434.22x = 56,989,300.51
  5. Step 5: Solve for x
    x = 56,989,300.51/8,434.22
  6. Step 6: Final answer
    x = 6,756.92

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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.