Home / 7,828.65-10,804.40-4,998.63

Finding the Fourth Proportional to 7,828.65, 10,804.40 and 4,998.63

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Solution

The fourth proportional to 7,828.65, 10,804.40 and 4,998.63 is: 6,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.65 : 10,804.40 = 4,998.63 : x
  2. Step 2: Convert to fraction form
    7,828.65/10,804.40 = 4,998.63/x
  3. Step 3: Cross multiply
    7,828.65x = 10,804.40 × 4,998.63
  4. Step 4: Simplify right side
    7,828.65x = 54,007,172.98
  5. Step 5: Solve for x
    x = 54,007,172.98/7,828.65
  6. Step 6: Final answer
    x = 6,898.66

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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.