Home / 8,682.60-13,015.26-4,980.36

Finding the Fourth Proportional to 8,682.60, 13,015.26 and 4,980.36

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Solution

The fourth proportional to 8,682.60, 13,015.26 and 4,980.36 is: 7,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.60 : 13,015.26 = 4,980.36 : x
  2. Step 2: Convert to fraction form
    8,682.60/13,015.26 = 4,980.36/x
  3. Step 3: Cross multiply
    8,682.60x = 13,015.26 × 4,980.36
  4. Step 4: Simplify right side
    8,682.60x = 64,820,680.29
  5. Step 5: Solve for x
    x = 64,820,680.29/8,682.60
  6. Step 6: Final answer
    x = 7,465.58

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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.