Home / 7,899.45-10,900.58-4,873.72

Finding the Fourth Proportional to 7,899.45, 10,900.58 and 4,873.72

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Solution

The fourth proportional to 7,899.45, 10,900.58 and 4,873.72 is: 6,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.45 : 10,900.58 = 4,873.72 : x
  2. Step 2: Convert to fraction form
    7,899.45/10,900.58 = 4,873.72/x
  3. Step 3: Cross multiply
    7,899.45x = 10,900.58 × 4,873.72
  4. Step 4: Simplify right side
    7,899.45x = 53,126,323.14
  5. Step 5: Solve for x
    x = 53,126,323.14/7,899.45
  6. Step 6: Final answer
    x = 6,725.32

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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.