Home / 7,400.86-10,213.16-4,043.64

Finding the Fourth Proportional to 7,400.86, 10,213.16 and 4,043.64

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Solution

The fourth proportional to 7,400.86, 10,213.16 and 4,043.64 is: 5,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.86 : 10,213.16 = 4,043.64 : x
  2. Step 2: Convert to fraction form
    7,400.86/10,213.16 = 4,043.64/x
  3. Step 3: Cross multiply
    7,400.86x = 10,213.16 × 4,043.64
  4. Step 4: Simplify right side
    7,400.86x = 41,298,342.30
  5. Step 5: Solve for x
    x = 41,298,342.30/7,400.86
  6. Step 6: Final answer
    x = 5,580.21

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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.