Home / 7,729.83-10,671.95-5,212.35

Finding the Fourth Proportional to 7,729.83, 10,671.95 and 5,212.35

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Solution

The fourth proportional to 7,729.83, 10,671.95 and 5,212.35 is: 7,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.83 : 10,671.95 = 5,212.35 : x
  2. Step 2: Convert to fraction form
    7,729.83/10,671.95 = 5,212.35/x
  3. Step 3: Cross multiply
    7,729.83x = 10,671.95 × 5,212.35
  4. Step 4: Simplify right side
    7,729.83x = 55,625,951.61
  5. Step 5: Solve for x
    x = 55,625,951.61/7,729.83
  6. Step 6: Final answer
    x = 7,196.27

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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.