Home / 6,441.18-8,888.91-3,608.51

Finding the Fourth Proportional to 6,441.18, 8,888.91 and 3,608.51

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Solution

The fourth proportional to 6,441.18, 8,888.91 and 3,608.51 is: 4,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.18 : 8,888.91 = 3,608.51 : x
  2. Step 2: Convert to fraction form
    6,441.18/8,888.91 = 3,608.51/x
  3. Step 3: Cross multiply
    6,441.18x = 8,888.91 × 3,608.51
  4. Step 4: Simplify right side
    6,441.18x = 32,075,699.34
  5. Step 5: Solve for x
    x = 32,075,699.34/6,441.18
  6. Step 6: Final answer
    x = 4,979.78

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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.