Home / 5,436.36-8,152.11-2,515.50

Finding the Fourth Proportional to 5,436.36, 8,152.11 and 2,515.50

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Solution

The fourth proportional to 5,436.36, 8,152.11 and 2,515.50 is: 3,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.36 : 8,152.11 = 2,515.50 : x
  2. Step 2: Convert to fraction form
    5,436.36/8,152.11 = 2,515.50/x
  3. Step 3: Cross multiply
    5,436.36x = 8,152.11 × 2,515.50
  4. Step 4: Simplify right side
    5,436.36x = 20,506,632.71
  5. Step 5: Solve for x
    x = 20,506,632.71/5,436.36
  6. Step 6: Final answer
    x = 3,772.13

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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.