Home / 7,877.23-11,804.70-4,368.78

Finding the Fourth Proportional to 7,877.23, 11,804.70 and 4,368.78

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Solution

The fourth proportional to 7,877.23, 11,804.70 and 4,368.78 is: 6,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.23 : 11,804.70 = 4,368.78 : x
  2. Step 2: Convert to fraction form
    7,877.23/11,804.70 = 4,368.78/x
  3. Step 3: Cross multiply
    7,877.23x = 11,804.70 × 4,368.78
  4. Step 4: Simplify right side
    7,877.23x = 51,572,137.27
  5. Step 5: Solve for x
    x = 51,572,137.27/7,877.23
  6. Step 6: Final answer
    x = 6,546.99

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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.