Home / 7,400.15-10,212.39-4,043.00

Finding the Fourth Proportional to 7,400.15, 10,212.39 and 4,043.00

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Solution

The fourth proportional to 7,400.15, 10,212.39 and 4,043.00 is: 5,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.15 : 10,212.39 = 4,043.00 : x
  2. Step 2: Convert to fraction form
    7,400.15/10,212.39 = 4,043.00/x
  3. Step 3: Cross multiply
    7,400.15x = 10,212.39 × 4,043.00
  4. Step 4: Simplify right side
    7,400.15x = 41,288,641.71
  5. Step 5: Solve for x
    x = 41,288,641.71/7,400.15
  6. Step 6: Final answer
    x = 5,579.43

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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.