Home / 4,669.68-6,441.96-2,780.19

Finding the Fourth Proportional to 4,669.68, 6,441.96 and 2,780.19

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Solution

The fourth proportional to 4,669.68, 6,441.96 and 2,780.19 is: 3,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.68 : 6,441.96 = 2,780.19 : x
  2. Step 2: Convert to fraction form
    4,669.68/6,441.96 = 2,780.19/x
  3. Step 3: Cross multiply
    4,669.68x = 6,441.96 × 2,780.19
  4. Step 4: Simplify right side
    4,669.68x = 17,909,883.20
  5. Step 5: Solve for x
    x = 17,909,883.20/4,669.68
  6. Step 6: Final answer
    x = 3,835.35

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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.