Home / 8,840.63-12,201.75-5,256.38

Finding the Fourth Proportional to 8,840.63, 12,201.75 and 5,256.38

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Solution

The fourth proportional to 8,840.63, 12,201.75 and 5,256.38 is: 7,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.63 : 12,201.75 = 5,256.38 : x
  2. Step 2: Convert to fraction form
    8,840.63/12,201.75 = 5,256.38/x
  3. Step 3: Cross multiply
    8,840.63x = 12,201.75 × 5,256.38
  4. Step 4: Simplify right side
    8,840.63x = 64,136,973.66
  5. Step 5: Solve for x
    x = 64,136,973.66/8,840.63
  6. Step 6: Final answer
    x = 7,254.80

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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.