Home / 4,688.65-6,470.14-2,699.28

Finding the Fourth Proportional to 4,688.65, 6,470.14 and 2,699.28

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Solution

The fourth proportional to 4,688.65, 6,470.14 and 2,699.28 is: 3,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.65 : 6,470.14 = 2,699.28 : x
  2. Step 2: Convert to fraction form
    4,688.65/6,470.14 = 2,699.28/x
  3. Step 3: Cross multiply
    4,688.65x = 6,470.14 × 2,699.28
  4. Step 4: Simplify right side
    4,688.65x = 17,464,719.50
  5. Step 5: Solve for x
    x = 17,464,719.50/4,688.65
  6. Step 6: Final answer
    x = 3,724.89

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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.