Home / 5,314.88-7,970.70-4,272.41

Finding the Fourth Proportional to 5,314.88, 7,970.70 and 4,272.41

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Solution

The fourth proportional to 5,314.88, 7,970.70 and 4,272.41 is: 6,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.88 : 7,970.70 = 4,272.41 : x
  2. Step 2: Convert to fraction form
    5,314.88/7,970.70 = 4,272.41/x
  3. Step 3: Cross multiply
    5,314.88x = 7,970.70 × 4,272.41
  4. Step 4: Simplify right side
    5,314.88x = 34,054,134.34
  5. Step 5: Solve for x
    x = 34,054,134.34/5,314.88
  6. Step 6: Final answer
    x = 6,407.32

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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.