Home / 7,528.95-11,297.86-3,146.06

Finding the Fourth Proportional to 7,528.95, 11,297.86 and 3,146.06

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Solution

The fourth proportional to 7,528.95, 11,297.86 and 3,146.06 is: 4,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.95 : 11,297.86 = 3,146.06 : x
  2. Step 2: Convert to fraction form
    7,528.95/11,297.86 = 3,146.06/x
  3. Step 3: Cross multiply
    7,528.95x = 11,297.86 × 3,146.06
  4. Step 4: Simplify right side
    7,528.95x = 35,543,765.81
  5. Step 5: Solve for x
    x = 35,543,765.81/7,528.95
  6. Step 6: Final answer
    x = 4,720.95

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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.