Home / 4,688.07-6,470.82-2,918.64

Finding the Fourth Proportional to 4,688.07, 6,470.82 and 2,918.64

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Solution

The fourth proportional to 4,688.07, 6,470.82 and 2,918.64 is: 4,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.07 : 6,470.82 = 2,918.64 : x
  2. Step 2: Convert to fraction form
    4,688.07/6,470.82 = 2,918.64/x
  3. Step 3: Cross multiply
    4,688.07x = 6,470.82 × 2,918.64
  4. Step 4: Simplify right side
    4,688.07x = 18,885,994.08
  5. Step 5: Solve for x
    x = 18,885,994.08/4,688.07
  6. Step 6: Final answer
    x = 4,028.52

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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.