Home / 7,356.34-10,151.79-3,999.18

Finding the Fourth Proportional to 7,356.34, 10,151.79 and 3,999.18

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Solution

The fourth proportional to 7,356.34, 10,151.79 and 3,999.18 is: 5,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.34 : 10,151.79 = 3,999.18 : x
  2. Step 2: Convert to fraction form
    7,356.34/10,151.79 = 3,999.18/x
  3. Step 3: Cross multiply
    7,356.34x = 10,151.79 × 3,999.18
  4. Step 4: Simplify right side
    7,356.34x = 40,598,835.53
  5. Step 5: Solve for x
    x = 40,598,835.53/7,356.34
  6. Step 6: Final answer
    x = 5,518.89

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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.