Home / 10,810.87-16,210.42-4,880.81

Finding the Fourth Proportional to 10,810.87, 16,210.42 and 4,880.81

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Solution

The fourth proportional to 10,810.87, 16,210.42 and 4,880.81 is: 7,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.87 : 16,210.42 = 4,880.81 : x
  2. Step 2: Convert to fraction form
    10,810.87/16,210.42 = 4,880.81/x
  3. Step 3: Cross multiply
    10,810.87x = 16,210.42 × 4,880.81
  4. Step 4: Simplify right side
    10,810.87x = 79,120,038.87
  5. Step 5: Solve for x
    x = 79,120,038.87/10,810.87
  6. Step 6: Final answer
    x = 7,318.56

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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.