Home / 7,039.02-10,575.32-4,119.36

Finding the Fourth Proportional to 7,039.02, 10,575.32 and 4,119.36

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Solution

The fourth proportional to 7,039.02, 10,575.32 and 4,119.36 is: 6,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.02 : 10,575.32 = 4,119.36 : x
  2. Step 2: Convert to fraction form
    7,039.02/10,575.32 = 4,119.36/x
  3. Step 3: Cross multiply
    7,039.02x = 10,575.32 × 4,119.36
  4. Step 4: Simplify right side
    7,039.02x = 43,563,529.60
  5. Step 5: Solve for x
    x = 43,563,529.60/7,039.02
  6. Step 6: Final answer
    x = 6,188.86

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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.