Home / 8,503.40-12,756.62-2,955.11

Finding the Fourth Proportional to 8,503.40, 12,756.62 and 2,955.11

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Solution

The fourth proportional to 8,503.40, 12,756.62 and 2,955.11 is: 4,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.40 : 12,756.62 = 2,955.11 : x
  2. Step 2: Convert to fraction form
    8,503.40/12,756.62 = 2,955.11/x
  3. Step 3: Cross multiply
    8,503.40x = 12,756.62 × 2,955.11
  4. Step 4: Simplify right side
    8,503.40x = 37,697,158.93
  5. Step 5: Solve for x
    x = 37,697,158.93/8,503.40
  6. Step 6: Final answer
    x = 4,433.19

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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.