Home / 7,015.97-9,685.19-4,627.35

Finding the Fourth Proportional to 7,015.97, 9,685.19 and 4,627.35

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Solution

The fourth proportional to 7,015.97, 9,685.19 and 4,627.35 is: 6,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.97 : 9,685.19 = 4,627.35 : x
  2. Step 2: Convert to fraction form
    7,015.97/9,685.19 = 4,627.35/x
  3. Step 3: Cross multiply
    7,015.97x = 9,685.19 × 4,627.35
  4. Step 4: Simplify right side
    7,015.97x = 44,816,740.81
  5. Step 5: Solve for x
    x = 44,816,740.81/7,015.97
  6. Step 6: Final answer
    x = 6,387.82

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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.