Home / 8,754.31-13,127.58-3,206.20

Finding the Fourth Proportional to 8,754.31, 13,127.58 and 3,206.20

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Solution

The fourth proportional to 8,754.31, 13,127.58 and 3,206.20 is: 4,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.31 : 13,127.58 = 3,206.20 : x
  2. Step 2: Convert to fraction form
    8,754.31/13,127.58 = 3,206.20/x
  3. Step 3: Cross multiply
    8,754.31x = 13,127.58 × 3,206.20
  4. Step 4: Simplify right side
    8,754.31x = 42,089,647.00
  5. Step 5: Solve for x
    x = 42,089,647.00/8,754.31
  6. Step 6: Final answer
    x = 4,807.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.