Home / 7,352.45-10,143.69-4,835.91

Finding the Fourth Proportional to 7,352.45, 10,143.69 and 4,835.91

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Solution

The fourth proportional to 7,352.45, 10,143.69 and 4,835.91 is: 6,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.45 : 10,143.69 = 4,835.91 : x
  2. Step 2: Convert to fraction form
    7,352.45/10,143.69 = 4,835.91/x
  3. Step 3: Cross multiply
    7,352.45x = 10,143.69 × 4,835.91
  4. Step 4: Simplify right side
    7,352.45x = 49,053,971.91
  5. Step 5: Solve for x
    x = 49,053,971.91/7,352.45
  6. Step 6: Final answer
    x = 6,671.79

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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.