Home / 7,388.15-10,195.61-4,030.86

Finding the Fourth Proportional to 7,388.15, 10,195.61 and 4,030.86

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Solution

The fourth proportional to 7,388.15, 10,195.61 and 4,030.86 is: 5,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.15 : 10,195.61 = 4,030.86 : x
  2. Step 2: Convert to fraction form
    7,388.15/10,195.61 = 4,030.86/x
  3. Step 3: Cross multiply
    7,388.15x = 10,195.61 × 4,030.86
  4. Step 4: Simplify right side
    7,388.15x = 41,097,094.60
  5. Step 5: Solve for x
    x = 41,097,094.60/7,388.15
  6. Step 6: Final answer
    x = 5,562.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.