Home / 7,605.54-11,411.56-2,678.58

Finding the Fourth Proportional to 7,605.54, 11,411.56 and 2,678.58

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Solution

The fourth proportional to 7,605.54, 11,411.56 and 2,678.58 is: 4,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.54 : 11,411.56 = 2,678.58 : x
  2. Step 2: Convert to fraction form
    7,605.54/11,411.56 = 2,678.58/x
  3. Step 3: Cross multiply
    7,605.54x = 11,411.56 × 2,678.58
  4. Step 4: Simplify right side
    7,605.54x = 30,566,776.38
  5. Step 5: Solve for x
    x = 30,566,776.38/7,605.54
  6. Step 6: Final answer
    x = 4,019.01

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1.5x scale

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.