Home / 5,682.71-8,525.40-1,787.12

Finding the Fourth Proportional to 5,682.71, 8,525.40 and 1,787.12

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Solution

The fourth proportional to 5,682.71, 8,525.40 and 1,787.12 is: 2,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.71 : 8,525.40 = 1,787.12 : x
  2. Step 2: Convert to fraction form
    5,682.71/8,525.40 = 1,787.12/x
  3. Step 3: Cross multiply
    5,682.71x = 8,525.40 × 1,787.12
  4. Step 4: Simplify right side
    5,682.71x = 15,235,870.22
  5. Step 5: Solve for x
    x = 15,235,870.22/5,682.71
  6. Step 6: Final answer
    x = 2,681.09

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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.