Home / 7,620.48-11,411.28-4,850.28

Finding the Fourth Proportional to 7,620.48, 11,411.28 and 4,850.28

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Solution

The fourth proportional to 7,620.48, 11,411.28 and 4,850.28 is: 7,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.48 : 11,411.28 = 4,850.28 : x
  2. Step 2: Convert to fraction form
    7,620.48/11,411.28 = 4,850.28/x
  3. Step 3: Cross multiply
    7,620.48x = 11,411.28 × 4,850.28
  4. Step 4: Simplify right side
    7,620.48x = 55,347,903.16
  5. Step 5: Solve for x
    x = 55,347,903.16/7,620.48
  6. Step 6: Final answer
    x = 7,263.05

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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.