Home / 5,050.80-6,970.19-2,812.70

Finding the Fourth Proportional to 5,050.80, 6,970.19 and 2,812.70

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Solution

The fourth proportional to 5,050.80, 6,970.19 and 2,812.70 is: 3,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.80 : 6,970.19 = 2,812.70 : x
  2. Step 2: Convert to fraction form
    5,050.80/6,970.19 = 2,812.70/x
  3. Step 3: Cross multiply
    5,050.80x = 6,970.19 × 2,812.70
  4. Step 4: Simplify right side
    5,050.80x = 19,605,056.77
  5. Step 5: Solve for x
    x = 19,605,056.77/5,050.80
  6. Step 6: Final answer
    x = 3,881.57

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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.