Home / 8,015.04-12,012.08-4,309.29

Finding the Fourth Proportional to 8,015.04, 12,012.08 and 4,309.29

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Solution

The fourth proportional to 8,015.04, 12,012.08 and 4,309.29 is: 6,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.04 : 12,012.08 = 4,309.29 : x
  2. Step 2: Convert to fraction form
    8,015.04/12,012.08 = 4,309.29/x
  3. Step 3: Cross multiply
    8,015.04x = 12,012.08 × 4,309.29
  4. Step 4: Simplify right side
    8,015.04x = 51,763,590.88
  5. Step 5: Solve for x
    x = 51,763,590.88/8,015.04
  6. Step 6: Final answer
    x = 6,458.30

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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.