Home / 4,151.90-6,228.52-1,555.04

Finding the Fourth Proportional to 4,151.90, 6,228.52 and 1,555.04

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Solution

The fourth proportional to 4,151.90, 6,228.52 and 1,555.04 is: 2,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.90 : 6,228.52 = 1,555.04 : x
  2. Step 2: Convert to fraction form
    4,151.90/6,228.52 = 1,555.04/x
  3. Step 3: Cross multiply
    4,151.90x = 6,228.52 × 1,555.04
  4. Step 4: Simplify right side
    4,151.90x = 9,685,597.74
  5. Step 5: Solve for x
    x = 9,685,597.74/4,151.90
  6. Step 6: Final answer
    x = 2,332.81

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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.