Home / 4,689.30-6,473.34-2,988.54

Finding the Fourth Proportional to 4,689.30, 6,473.34 and 2,988.54

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Solution

The fourth proportional to 4,689.30, 6,473.34 and 2,988.54 is: 4,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.30 : 6,473.34 = 2,988.54 : x
  2. Step 2: Convert to fraction form
    4,689.30/6,473.34 = 2,988.54/x
  3. Step 3: Cross multiply
    4,689.30x = 6,473.34 × 2,988.54
  4. Step 4: Simplify right side
    4,689.30x = 19,345,835.52
  5. Step 5: Solve for x
    x = 19,345,835.52/4,689.30
  6. Step 6: Final answer
    x = 4,125.53

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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.