Home / 7,272.56-10,906.40-2,888.84

Finding the Fourth Proportional to 7,272.56, 10,906.40 and 2,888.84

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Solution

The fourth proportional to 7,272.56, 10,906.40 and 2,888.84 is: 4,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.56 : 10,906.40 = 2,888.84 : x
  2. Step 2: Convert to fraction form
    7,272.56/10,906.40 = 2,888.84/x
  3. Step 3: Cross multiply
    7,272.56x = 10,906.40 × 2,888.84
  4. Step 4: Simplify right side
    7,272.56x = 31,506,844.58
  5. Step 5: Solve for x
    x = 31,506,844.58/7,272.56
  6. Step 6: Final answer
    x = 4,332.29

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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.