Home / 4,910.49-7,365.75-1,400.05

Finding the Fourth Proportional to 4,910.49, 7,365.75 and 1,400.05

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Solution

The fourth proportional to 4,910.49, 7,365.75 and 1,400.05 is: 2,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.49 : 7,365.75 = 1,400.05 : x
  2. Step 2: Convert to fraction form
    4,910.49/7,365.75 = 1,400.05/x
  3. Step 3: Cross multiply
    4,910.49x = 7,365.75 × 1,400.05
  4. Step 4: Simplify right side
    4,910.49x = 10,312,374.46
  5. Step 5: Solve for x
    x = 10,312,374.46/4,910.49
  6. Step 6: Final answer
    x = 2,100.07

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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.