Home / 8,283.48-11,431.08-4,927.92

Finding the Fourth Proportional to 8,283.48, 11,431.08 and 4,927.92

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Solution

The fourth proportional to 8,283.48, 11,431.08 and 4,927.92 is: 6,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.48 : 11,431.08 = 4,927.92 : x
  2. Step 2: Convert to fraction form
    8,283.48/11,431.08 = 4,927.92/x
  3. Step 3: Cross multiply
    8,283.48x = 11,431.08 × 4,927.92
  4. Step 4: Simplify right side
    8,283.48x = 56,331,447.75
  5. Step 5: Solve for x
    x = 56,331,447.75/8,283.48
  6. Step 6: Final answer
    x = 6,800.46

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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.