Home / 5,437.69-8,155.84-1,739.61

Finding the Fourth Proportional to 5,437.69, 8,155.84 and 1,739.61

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Solution

The fourth proportional to 5,437.69, 8,155.84 and 1,739.61 is: 2,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.69 : 8,155.84 = 1,739.61 : x
  2. Step 2: Convert to fraction form
    5,437.69/8,155.84 = 1,739.61/x
  3. Step 3: Cross multiply
    5,437.69x = 8,155.84 × 1,739.61
  4. Step 4: Simplify right side
    5,437.69x = 14,187,980.82
  5. Step 5: Solve for x
    x = 14,187,980.82/5,437.69
  6. Step 6: Final answer
    x = 2,609.19

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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.