Home / 9,253.77-12,767.05-5,272.08

Finding the Fourth Proportional to 9,253.77, 12,767.05 and 5,272.08

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Solution

The fourth proportional to 9,253.77, 12,767.05 and 5,272.08 is: 7,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.77 : 12,767.05 = 5,272.08 : x
  2. Step 2: Convert to fraction form
    9,253.77/12,767.05 = 5,272.08/x
  3. Step 3: Cross multiply
    9,253.77x = 12,767.05 × 5,272.08
  4. Step 4: Simplify right side
    9,253.77x = 67,308,908.96
  5. Step 5: Solve for x
    x = 67,308,908.96/9,253.77
  6. Step 6: Final answer
    x = 7,273.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.