Home / 5,312.67-7,970.64-2,717.43

Finding the Fourth Proportional to 5,312.67, 7,970.64 and 2,717.43

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Solution

The fourth proportional to 5,312.67, 7,970.64 and 2,717.43 is: 4,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.67 : 7,970.64 = 2,717.43 : x
  2. Step 2: Convert to fraction form
    5,312.67/7,970.64 = 2,717.43/x
  3. Step 3: Cross multiply
    5,312.67x = 7,970.64 × 2,717.43
  4. Step 4: Simplify right side
    5,312.67x = 21,659,656.26
  5. Step 5: Solve for x
    x = 21,659,656.26/5,312.67
  6. Step 6: Final answer
    x = 4,076.98

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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.