Home / 7,091.76-10,637.70-1,897.56

Finding the Fourth Proportional to 7,091.76, 10,637.70 and 1,897.56

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Solution

The fourth proportional to 7,091.76, 10,637.70 and 1,897.56 is: 2,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.76 : 10,637.70 = 1,897.56 : x
  2. Step 2: Convert to fraction form
    7,091.76/10,637.70 = 1,897.56/x
  3. Step 3: Cross multiply
    7,091.76x = 10,637.70 × 1,897.56
  4. Step 4: Simplify right side
    7,091.76x = 20,185,674.01
  5. Step 5: Solve for x
    x = 20,185,674.01/7,091.76
  6. Step 6: Final answer
    x = 2,846.36

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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.