Home / 4,795.60-7,192.84-1,285.91

Finding the Fourth Proportional to 4,795.60, 7,192.84 and 1,285.91

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Solution

The fourth proportional to 4,795.60, 7,192.84 and 1,285.91 is: 1,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.60 : 7,192.84 = 1,285.91 : x
  2. Step 2: Convert to fraction form
    4,795.60/7,192.84 = 1,285.91/x
  3. Step 3: Cross multiply
    4,795.60x = 7,192.84 × 1,285.91
  4. Step 4: Simplify right side
    4,795.60x = 9,249,344.88
  5. Step 5: Solve for x
    x = 9,249,344.88/4,795.60
  6. Step 6: Final answer
    x = 1,928.71

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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.