Home / 4,975.59-7,458.71-1,686.36

Finding the Fourth Proportional to 4,975.59, 7,458.71 and 1,686.36

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Solution

The fourth proportional to 4,975.59, 7,458.71 and 1,686.36 is: 2,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.59 : 7,458.71 = 1,686.36 : x
  2. Step 2: Convert to fraction form
    4,975.59/7,458.71 = 1,686.36/x
  3. Step 3: Cross multiply
    4,975.59x = 7,458.71 × 1,686.36
  4. Step 4: Simplify right side
    4,975.59x = 12,578,070.20
  5. Step 5: Solve for x
    x = 12,578,070.20/4,975.59
  6. Step 6: Final answer
    x = 2,527.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.