Home / 5,141.04-7,710.63-1,678.29

Finding the Fourth Proportional to 5,141.04, 7,710.63 and 1,678.29

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Solution

The fourth proportional to 5,141.04, 7,710.63 and 1,678.29 is: 2,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.04 : 7,710.63 = 1,678.29 : x
  2. Step 2: Convert to fraction form
    5,141.04/7,710.63 = 1,678.29/x
  3. Step 3: Cross multiply
    5,141.04x = 7,710.63 × 1,678.29
  4. Step 4: Simplify right side
    5,141.04x = 12,940,673.22
  5. Step 5: Solve for x
    x = 12,940,673.22/5,141.04
  6. Step 6: Final answer
    x = 2,517.13

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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.