Home / 7,017.78-9,685.65-5,336.49

Finding the Fourth Proportional to 7,017.78, 9,685.65 and 5,336.49

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Solution

The fourth proportional to 7,017.78, 9,685.65 and 5,336.49 is: 7,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.78 : 9,685.65 = 5,336.49 : x
  2. Step 2: Convert to fraction form
    7,017.78/9,685.65 = 5,336.49/x
  3. Step 3: Cross multiply
    7,017.78x = 9,685.65 × 5,336.49
  4. Step 4: Simplify right side
    7,017.78x = 51,687,374.37
  5. Step 5: Solve for x
    x = 51,687,374.37/7,017.78
  6. Step 6: Final answer
    x = 7,365.20

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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.