Home / 6,780.56-9,350.04-5,015.84

Finding the Fourth Proportional to 6,780.56, 9,350.04 and 5,015.84

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Solution

The fourth proportional to 6,780.56, 9,350.04 and 5,015.84 is: 6,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.56 : 9,350.04 = 5,015.84 : x
  2. Step 2: Convert to fraction form
    6,780.56/9,350.04 = 5,015.84/x
  3. Step 3: Cross multiply
    6,780.56x = 9,350.04 × 5,015.84
  4. Step 4: Simplify right side
    6,780.56x = 46,898,304.63
  5. Step 5: Solve for x
    x = 46,898,304.63/6,780.56
  6. Step 6: Final answer
    x = 6,916.58

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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.