Home / 4,281.69-6,364.76-4,155.57

Finding the Fourth Proportional to 4,281.69, 6,364.76 and 4,155.57

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Solution

The fourth proportional to 4,281.69, 6,364.76 and 4,155.57 is: 6,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.69 : 6,364.76 = 4,155.57 : x
  2. Step 2: Convert to fraction form
    4,281.69/6,364.76 = 4,155.57/x
  3. Step 3: Cross multiply
    4,281.69x = 6,364.76 × 4,155.57
  4. Step 4: Simplify right side
    4,281.69x = 26,449,184.94
  5. Step 5: Solve for x
    x = 26,449,184.94/4,281.69
  6. Step 6: Final answer
    x = 6,177.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.