Home / 6,636.95-9,155.18-4,148.63

Finding the Fourth Proportional to 6,636.95, 9,155.18 and 4,148.63

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Solution

The fourth proportional to 6,636.95, 9,155.18 and 4,148.63 is: 5,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.95 : 9,155.18 = 4,148.63 : x
  2. Step 2: Convert to fraction form
    6,636.95/9,155.18 = 4,148.63/x
  3. Step 3: Cross multiply
    6,636.95x = 9,155.18 × 4,148.63
  4. Step 4: Simplify right side
    6,636.95x = 37,981,454.40
  5. Step 5: Solve for x
    x = 37,981,454.40/6,636.95
  6. Step 6: Final answer
    x = 5,722.73

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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.