Home / 7,011.28-10,516-2,853.60

Finding the Fourth Proportional to 7,011.28, 10,516 and 2,853.60

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Solution

The fourth proportional to 7,011.28, 10,516 and 2,853.60 is: 4,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.28 : 10,516 = 2,853.60 : x
  2. Step 2: Convert to fraction form
    7,011.28/10,516 = 2,853.60/x
  3. Step 3: Cross multiply
    7,011.28x = 10,516 × 2,853.60
  4. Step 4: Simplify right side
    7,011.28x = 30,008,457.60
  5. Step 5: Solve for x
    x = 30,008,457.60/7,011.28
  6. Step 6: Final answer
    x = 4,280.03

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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.