Home / 4,455.17-6,689.50-3,538.16

Finding the Fourth Proportional to 4,455.17, 6,689.50 and 3,538.16

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Solution

The fourth proportional to 4,455.17, 6,689.50 and 3,538.16 is: 5,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.17 : 6,689.50 = 3,538.16 : x
  2. Step 2: Convert to fraction form
    4,455.17/6,689.50 = 3,538.16/x
  3. Step 3: Cross multiply
    4,455.17x = 6,689.50 × 3,538.16
  4. Step 4: Simplify right side
    4,455.17x = 23,668,504.11
  5. Step 5: Solve for x
    x = 23,668,504.11/4,455.17
  6. Step 6: Final answer
    x = 5,312.59

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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.