Home / 5,435.17-8,152.80-1,539.70

Finding the Fourth Proportional to 5,435.17, 8,152.80 and 1,539.70

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Solution

The fourth proportional to 5,435.17, 8,152.80 and 1,539.70 is: 2,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.17 : 8,152.80 = 1,539.70 : x
  2. Step 2: Convert to fraction form
    5,435.17/8,152.80 = 1,539.70/x
  3. Step 3: Cross multiply
    5,435.17x = 8,152.80 × 1,539.70
  4. Step 4: Simplify right side
    5,435.17x = 12,552,866.16
  5. Step 5: Solve for x
    x = 12,552,866.16/5,435.17
  6. Step 6: Final answer
    x = 2,309.56

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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.