Home / 4,432.80-6,645.48-2,091.48

Finding the Fourth Proportional to 4,432.80, 6,645.48 and 2,091.48

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Solution

The fourth proportional to 4,432.80, 6,645.48 and 2,091.48 is: 3,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.80 : 6,645.48 = 2,091.48 : x
  2. Step 2: Convert to fraction form
    4,432.80/6,645.48 = 2,091.48/x
  3. Step 3: Cross multiply
    4,432.80x = 6,645.48 × 2,091.48
  4. Step 4: Simplify right side
    4,432.80x = 13,898,888.51
  5. Step 5: Solve for x
    x = 13,898,888.51/4,432.80
  6. Step 6: Final answer
    x = 3,135.46

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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.