Home / 7,700.08-11,547.06-2,768.20

Finding the Fourth Proportional to 7,700.08, 11,547.06 and 2,768.20

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Solution

The fourth proportional to 7,700.08, 11,547.06 and 2,768.20 is: 4,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.08 : 11,547.06 = 2,768.20 : x
  2. Step 2: Convert to fraction form
    7,700.08/11,547.06 = 2,768.20/x
  3. Step 3: Cross multiply
    7,700.08x = 11,547.06 × 2,768.20
  4. Step 4: Simplify right side
    7,700.08x = 31,964,571.49
  5. Step 5: Solve for x
    x = 31,964,571.49/7,700.08
  6. Step 6: Final answer
    x = 4,151.20

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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.