Home / 8,278.36-11,424.27-4,501.55

Finding the Fourth Proportional to 8,278.36, 11,424.27 and 4,501.55

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Solution

The fourth proportional to 8,278.36, 11,424.27 and 4,501.55 is: 6,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.36 : 11,424.27 = 4,501.55 : x
  2. Step 2: Convert to fraction form
    8,278.36/11,424.27 = 4,501.55/x
  3. Step 3: Cross multiply
    8,278.36x = 11,424.27 × 4,501.55
  4. Step 4: Simplify right side
    8,278.36x = 51,426,905.31
  5. Step 5: Solve for x
    x = 51,426,905.31/8,278.36
  6. Step 6: Final answer
    x = 6,212.21

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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.