Home / 6,717.93-10,075.77-1,787.64

Finding the Fourth Proportional to 6,717.93, 10,075.77 and 1,787.64

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Solution

The fourth proportional to 6,717.93, 10,075.77 and 1,787.64 is: 2,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.93 : 10,075.77 = 1,787.64 : x
  2. Step 2: Convert to fraction form
    6,717.93/10,075.77 = 1,787.64/x
  3. Step 3: Cross multiply
    6,717.93x = 10,075.77 × 1,787.64
  4. Step 4: Simplify right side
    6,717.93x = 18,011,849.48
  5. Step 5: Solve for x
    x = 18,011,849.48/6,717.93
  6. Step 6: Final answer
    x = 2,681.16

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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.