Home / 4,374.26-6,561.40-1,777.40

Finding the Fourth Proportional to 4,374.26, 6,561.40 and 1,777.40

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Solution

The fourth proportional to 4,374.26, 6,561.40 and 1,777.40 is: 2,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.26 : 6,561.40 = 1,777.40 : x
  2. Step 2: Convert to fraction form
    4,374.26/6,561.40 = 1,777.40/x
  3. Step 3: Cross multiply
    4,374.26x = 6,561.40 × 1,777.40
  4. Step 4: Simplify right side
    4,374.26x = 11,662,232.36
  5. Step 5: Solve for x
    x = 11,662,232.36/4,374.26
  6. Step 6: Final answer
    x = 2,666.10

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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.