Home / 7,315.80-10,095.93-4,129.73

Finding the Fourth Proportional to 7,315.80, 10,095.93 and 4,129.73

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Solution

The fourth proportional to 7,315.80, 10,095.93 and 4,129.73 is: 5,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.80 : 10,095.93 = 4,129.73 : x
  2. Step 2: Convert to fraction form
    7,315.80/10,095.93 = 4,129.73/x
  3. Step 3: Cross multiply
    7,315.80x = 10,095.93 × 4,129.73
  4. Step 4: Simplify right side
    7,315.80x = 41,693,500.56
  5. Step 5: Solve for x
    x = 41,693,500.56/7,315.80
  6. Step 6: Final answer
    x = 5,699.10

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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.