Home / 8,178.33-11,283.02-4,990.51

Finding the Fourth Proportional to 8,178.33, 11,283.02 and 4,990.51

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Solution

The fourth proportional to 8,178.33, 11,283.02 and 4,990.51 is: 6,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.33 : 11,283.02 = 4,990.51 : x
  2. Step 2: Convert to fraction form
    8,178.33/11,283.02 = 4,990.51/x
  3. Step 3: Cross multiply
    8,178.33x = 11,283.02 × 4,990.51
  4. Step 4: Simplify right side
    8,178.33x = 56,308,024.14
  5. Step 5: Solve for x
    x = 56,308,024.14/8,178.33
  6. Step 6: Final answer
    x = 6,885.03

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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.