Home / 6,637.86-9,955.63-2,019.78

Finding the Fourth Proportional to 6,637.86, 9,955.63 and 2,019.78

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Solution

The fourth proportional to 6,637.86, 9,955.63 and 2,019.78 is: 3,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.86 : 9,955.63 = 2,019.78 : x
  2. Step 2: Convert to fraction form
    6,637.86/9,955.63 = 2,019.78/x
  3. Step 3: Cross multiply
    6,637.86x = 9,955.63 × 2,019.78
  4. Step 4: Simplify right side
    6,637.86x = 20,108,182.36
  5. Step 5: Solve for x
    x = 20,108,182.36/6,637.86
  6. Step 6: Final answer
    x = 3,029.32

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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.