Home / 5,623.79-7,760.49-3,386.39

Finding the Fourth Proportional to 5,623.79, 7,760.49 and 3,386.39

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Solution

The fourth proportional to 5,623.79, 7,760.49 and 3,386.39 is: 4,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.79 : 7,760.49 = 3,386.39 : x
  2. Step 2: Convert to fraction form
    5,623.79/7,760.49 = 3,386.39/x
  3. Step 3: Cross multiply
    5,623.79x = 7,760.49 × 3,386.39
  4. Step 4: Simplify right side
    5,623.79x = 26,280,045.73
  5. Step 5: Solve for x
    x = 26,280,045.73/5,623.79
  6. Step 6: Final answer
    x = 4,673.01

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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.