Home / 4,659.65-6,428.93-2,770.28

Finding the Fourth Proportional to 4,659.65, 6,428.93 and 2,770.28

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Solution

The fourth proportional to 4,659.65, 6,428.93 and 2,770.28 is: 3,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.65 : 6,428.93 = 2,770.28 : x
  2. Step 2: Convert to fraction form
    4,659.65/6,428.93 = 2,770.28/x
  3. Step 3: Cross multiply
    4,659.65x = 6,428.93 × 2,770.28
  4. Step 4: Simplify right side
    4,659.65x = 17,809,890.20
  5. Step 5: Solve for x
    x = 17,809,890.20/4,659.65
  6. Step 6: Final answer
    x = 3,822.16

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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.