Home / 7,106.64-9,796.88-4,975.58

Finding the Fourth Proportional to 7,106.64, 9,796.88 and 4,975.58

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Solution

The fourth proportional to 7,106.64, 9,796.88 and 4,975.58 is: 6,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.64 : 9,796.88 = 4,975.58 : x
  2. Step 2: Convert to fraction form
    7,106.64/9,796.88 = 4,975.58/x
  3. Step 3: Cross multiply
    7,106.64x = 9,796.88 × 4,975.58
  4. Step 4: Simplify right side
    7,106.64x = 48,745,160.19
  5. Step 5: Solve for x
    x = 48,745,160.19/7,106.64
  6. Step 6: Final answer
    x = 6,859.10

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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.