Home / 8,677.98-13,015.44-3,130.29

Finding the Fourth Proportional to 8,677.98, 13,015.44 and 3,130.29

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Solution

The fourth proportional to 8,677.98, 13,015.44 and 3,130.29 is: 4,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.98 : 13,015.44 = 3,130.29 : x
  2. Step 2: Convert to fraction form
    8,677.98/13,015.44 = 3,130.29/x
  3. Step 3: Cross multiply
    8,677.98x = 13,015.44 × 3,130.29
  4. Step 4: Simplify right side
    8,677.98x = 40,742,101.68
  5. Step 5: Solve for x
    x = 40,742,101.68/8,677.98
  6. Step 6: Final answer
    x = 4,694.88

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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.