Home / 7,359.21-10,155.74-4,334.45

Finding the Fourth Proportional to 7,359.21, 10,155.74 and 4,334.45

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Solution

The fourth proportional to 7,359.21, 10,155.74 and 4,334.45 is: 5,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.21 : 10,155.74 = 4,334.45 : x
  2. Step 2: Convert to fraction form
    7,359.21/10,155.74 = 4,334.45/x
  3. Step 3: Cross multiply
    7,359.21x = 10,155.74 × 4,334.45
  4. Step 4: Simplify right side
    7,359.21x = 44,019,474.79
  5. Step 5: Solve for x
    x = 44,019,474.79/7,359.21
  6. Step 6: Final answer
    x = 5,981.55

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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.