Home / 7,152.49-10,730.09-2,220.99

Finding the Fourth Proportional to 7,152.49, 10,730.09 and 2,220.99

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Solution

The fourth proportional to 7,152.49, 10,730.09 and 2,220.99 is: 3,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.49 : 10,730.09 = 2,220.99 : x
  2. Step 2: Convert to fraction form
    7,152.49/10,730.09 = 2,220.99/x
  3. Step 3: Cross multiply
    7,152.49x = 10,730.09 × 2,220.99
  4. Step 4: Simplify right side
    7,152.49x = 23,831,422.59
  5. Step 5: Solve for x
    x = 23,831,422.59/7,152.49
  6. Step 6: Final answer
    x = 3,331.91

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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.