Home / 5,435.84-8,152.56-1,540.16

Finding the Fourth Proportional to 5,435.84, 8,152.56 and 1,540.16

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Solution

The fourth proportional to 5,435.84, 8,152.56 and 1,540.16 is: 2,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.84 : 8,152.56 = 1,540.16 : x
  2. Step 2: Convert to fraction form
    5,435.84/8,152.56 = 1,540.16/x
  3. Step 3: Cross multiply
    5,435.84x = 8,152.56 × 1,540.16
  4. Step 4: Simplify right side
    5,435.84x = 12,556,246.81
  5. Step 5: Solve for x
    x = 12,556,246.81/5,435.84
  6. Step 6: Final answer
    x = 2,309.90

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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.