Home / 8,754.06-12,080.94-4,775.40

Finding the Fourth Proportional to 8,754.06, 12,080.94 and 4,775.40

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Solution

The fourth proportional to 8,754.06, 12,080.94 and 4,775.40 is: 6,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.06 : 12,080.94 = 4,775.40 : x
  2. Step 2: Convert to fraction form
    8,754.06/12,080.94 = 4,775.40/x
  3. Step 3: Cross multiply
    8,754.06x = 12,080.94 × 4,775.40
  4. Step 4: Simplify right side
    8,754.06x = 57,691,320.88
  5. Step 5: Solve for x
    x = 57,691,320.88/8,754.06
  6. Step 6: Final answer
    x = 6,590.24

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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.