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Finding the Fourth Proportional to 7,800.16, 10,762.97 and 4,443.03

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Solution

The fourth proportional to 7,800.16, 10,762.97 and 4,443.03 is: 6,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.16 : 10,762.97 = 4,443.03 : x
  2. Step 2: Convert to fraction form
    7,800.16/10,762.97 = 4,443.03/x
  3. Step 3: Cross multiply
    7,800.16x = 10,762.97 × 4,443.03
  4. Step 4: Simplify right side
    7,800.16x = 47,820,214.40
  5. Step 5: Solve for x
    x = 47,820,214.40/7,800.16
  6. Step 6: Final answer
    x = 6,130.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.