Home / 8,880.28-13,328.64-4,500.80

Finding the Fourth Proportional to 8,880.28, 13,328.64 and 4,500.80

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Solution

The fourth proportional to 8,880.28, 13,328.64 and 4,500.80 is: 6,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.28 : 13,328.64 = 4,500.80 : x
  2. Step 2: Convert to fraction form
    8,880.28/13,328.64 = 4,500.80/x
  3. Step 3: Cross multiply
    8,880.28x = 13,328.64 × 4,500.80
  4. Step 4: Simplify right side
    8,880.28x = 59,989,542.91
  5. Step 5: Solve for x
    x = 59,989,542.91/8,880.28
  6. Step 6: Final answer
    x = 6,755.37

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1.5x scale

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.