Home / 7,400.32-10,212.06-4,043.05

Finding the Fourth Proportional to 7,400.32, 10,212.06 and 4,043.05

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Solution

The fourth proportional to 7,400.32, 10,212.06 and 4,043.05 is: 5,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.32 : 10,212.06 = 4,043.05 : x
  2. Step 2: Convert to fraction form
    7,400.32/10,212.06 = 4,043.05/x
  3. Step 3: Cross multiply
    7,400.32x = 10,212.06 × 4,043.05
  4. Step 4: Simplify right side
    7,400.32x = 41,287,869.18
  5. Step 5: Solve for x
    x = 41,287,869.18/7,400.32
  6. Step 6: Final answer
    x = 5,579.20

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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.