Home / 5,050.70-6,970.20-2,812.60

Finding the Fourth Proportional to 5,050.70, 6,970.20 and 2,812.60

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Solution

The fourth proportional to 5,050.70, 6,970.20 and 2,812.60 is: 3,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.70 : 6,970.20 = 2,812.60 : x
  2. Step 2: Convert to fraction form
    5,050.70/6,970.20 = 2,812.60/x
  3. Step 3: Cross multiply
    5,050.70x = 6,970.20 × 2,812.60
  4. Step 4: Simplify right side
    5,050.70x = 19,604,384.52
  5. Step 5: Solve for x
    x = 19,604,384.52/5,050.70
  6. Step 6: Final answer
    x = 3,881.52

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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.