Home / 7,528.72-11,297.16-3,146.56

Finding the Fourth Proportional to 7,528.72, 11,297.16 and 3,146.56

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Solution

The fourth proportional to 7,528.72, 11,297.16 and 3,146.56 is: 4,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.72 : 11,297.16 = 3,146.56 : x
  2. Step 2: Convert to fraction form
    7,528.72/11,297.16 = 3,146.56/x
  3. Step 3: Cross multiply
    7,528.72x = 11,297.16 × 3,146.56
  4. Step 4: Simplify right side
    7,528.72x = 35,547,191.77
  5. Step 5: Solve for x
    x = 35,547,191.77/7,528.72
  6. Step 6: Final answer
    x = 4,721.55

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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.