Home / 5,210.25-7,187.70-3,085.62

Finding the Fourth Proportional to 5,210.25, 7,187.70 and 3,085.62

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Solution

The fourth proportional to 5,210.25, 7,187.70 and 3,085.62 is: 4,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.25 : 7,187.70 = 3,085.62 : x
  2. Step 2: Convert to fraction form
    5,210.25/7,187.70 = 3,085.62/x
  3. Step 3: Cross multiply
    5,210.25x = 7,187.70 × 3,085.62
  4. Step 4: Simplify right side
    5,210.25x = 22,178,510.87
  5. Step 5: Solve for x
    x = 22,178,510.87/5,210.25
  6. Step 6: Final answer
    x = 4,256.71

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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.