Home / 4,923.55-7,385.30-1,225.77

Finding the Fourth Proportional to 4,923.55, 7,385.30 and 1,225.77

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Solution

The fourth proportional to 4,923.55, 7,385.30 and 1,225.77 is: 1,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.55 : 7,385.30 = 1,225.77 : x
  2. Step 2: Convert to fraction form
    4,923.55/7,385.30 = 1,225.77/x
  3. Step 3: Cross multiply
    4,923.55x = 7,385.30 × 1,225.77
  4. Step 4: Simplify right side
    4,923.55x = 9,052,679.18
  5. Step 5: Solve for x
    x = 9,052,679.18/4,923.55
  6. Step 6: Final answer
    x = 1,838.65

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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.