Home / 4,455.18-6,147.63-2,686.95

Finding the Fourth Proportional to 4,455.18, 6,147.63 and 2,686.95

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Solution

The fourth proportional to 4,455.18, 6,147.63 and 2,686.95 is: 3,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.18 : 6,147.63 = 2,686.95 : x
  2. Step 2: Convert to fraction form
    4,455.18/6,147.63 = 2,686.95/x
  3. Step 3: Cross multiply
    4,455.18x = 6,147.63 × 2,686.95
  4. Step 4: Simplify right side
    4,455.18x = 16,518,374.43
  5. Step 5: Solve for x
    x = 16,518,374.43/4,455.18
  6. Step 6: Final answer
    x = 3,707.68

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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.