Home / 5,515.88-8,276.56-3,435.35

Finding the Fourth Proportional to 5,515.88, 8,276.56 and 3,435.35

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Solution

The fourth proportional to 5,515.88, 8,276.56 and 3,435.35 is: 5,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.88 : 8,276.56 = 3,435.35 : x
  2. Step 2: Convert to fraction form
    5,515.88/8,276.56 = 3,435.35/x
  3. Step 3: Cross multiply
    5,515.88x = 8,276.56 × 3,435.35
  4. Step 4: Simplify right side
    5,515.88x = 28,432,892.50
  5. Step 5: Solve for x
    x = 28,432,892.50/5,515.88
  6. Step 6: Final answer
    x = 5,154.74

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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.