Home / 5,710.95-8,567.81-1,815.37

Finding the Fourth Proportional to 5,710.95, 8,567.81 and 1,815.37

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Solution

The fourth proportional to 5,710.95, 8,567.81 and 1,815.37 is: 2,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.95 : 8,567.81 = 1,815.37 : x
  2. Step 2: Convert to fraction form
    5,710.95/8,567.81 = 1,815.37/x
  3. Step 3: Cross multiply
    5,710.95x = 8,567.81 × 1,815.37
  4. Step 4: Simplify right side
    5,710.95x = 15,553,745.24
  5. Step 5: Solve for x
    x = 15,553,745.24/5,710.95
  6. Step 6: Final answer
    x = 2,723.50

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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.