Home / 5,435.19-8,154.14-1,539.63

Finding the Fourth Proportional to 5,435.19, 8,154.14 and 1,539.63

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Solution

The fourth proportional to 5,435.19, 8,154.14 and 1,539.63 is: 2,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.19 : 8,154.14 = 1,539.63 : x
  2. Step 2: Convert to fraction form
    5,435.19/8,154.14 = 1,539.63/x
  3. Step 3: Cross multiply
    5,435.19x = 8,154.14 × 1,539.63
  4. Step 4: Simplify right side
    5,435.19x = 12,554,350.87
  5. Step 5: Solve for x
    x = 12,554,350.87/5,435.19
  6. Step 6: Final answer
    x = 2,309.83

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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.