Home / 7,374.34-11,039.78-4,870.94

Finding the Fourth Proportional to 7,374.34, 11,039.78 and 4,870.94

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Solution

The fourth proportional to 7,374.34, 11,039.78 and 4,870.94 is: 7,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.34 : 11,039.78 = 4,870.94 : x
  2. Step 2: Convert to fraction form
    7,374.34/11,039.78 = 4,870.94/x
  3. Step 3: Cross multiply
    7,374.34x = 11,039.78 × 4,870.94
  4. Step 4: Simplify right side
    7,374.34x = 53,774,062.97
  5. Step 5: Solve for x
    x = 53,774,062.97/7,374.34
  6. Step 6: Final answer
    x = 7,292.05

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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.