Home / 4,605.91-6,902.76-1,681.40

Finding the Fourth Proportional to 4,605.91, 6,902.76 and 1,681.40

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Solution

The fourth proportional to 4,605.91, 6,902.76 and 1,681.40 is: 2,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.91 : 6,902.76 = 1,681.40 : x
  2. Step 2: Convert to fraction form
    4,605.91/6,902.76 = 1,681.40/x
  3. Step 3: Cross multiply
    4,605.91x = 6,902.76 × 1,681.40
  4. Step 4: Simplify right side
    4,605.91x = 11,606,324.23
  5. Step 5: Solve for x
    x = 11,606,324.23/4,605.91
  6. Step 6: Final answer
    x = 2,519.88

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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.