Home / 5,510.25-8,265.88-2,178.32

Finding the Fourth Proportional to 5,510.25, 8,265.88 and 2,178.32

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Solution

The fourth proportional to 5,510.25, 8,265.88 and 2,178.32 is: 3,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.25 : 8,265.88 = 2,178.32 : x
  2. Step 2: Convert to fraction form
    5,510.25/8,265.88 = 2,178.32/x
  3. Step 3: Cross multiply
    5,510.25x = 8,265.88 × 2,178.32
  4. Step 4: Simplify right side
    5,510.25x = 18,005,693.12
  5. Step 5: Solve for x
    x = 18,005,693.12/5,510.25
  6. Step 6: Final answer
    x = 3,267.67

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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.