Home / 5,050.92-6,970.23-2,812.68

Finding the Fourth Proportional to 5,050.92, 6,970.23 and 2,812.68

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Solution

The fourth proportional to 5,050.92, 6,970.23 and 2,812.68 is: 3,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.92 : 6,970.23 = 2,812.68 : x
  2. Step 2: Convert to fraction form
    5,050.92/6,970.23 = 2,812.68/x
  3. Step 3: Cross multiply
    5,050.92x = 6,970.23 × 2,812.68
  4. Step 4: Simplify right side
    5,050.92x = 19,605,026.52
  5. Step 5: Solve for x
    x = 19,605,026.52/5,050.92
  6. Step 6: Final answer
    x = 3,881.48

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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.