Home / 7,490.36-10,334.85-4,579.18

Finding the Fourth Proportional to 7,490.36, 10,334.85 and 4,579.18

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Solution

The fourth proportional to 7,490.36, 10,334.85 and 4,579.18 is: 6,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.36 : 10,334.85 = 4,579.18 : x
  2. Step 2: Convert to fraction form
    7,490.36/10,334.85 = 4,579.18/x
  3. Step 3: Cross multiply
    7,490.36x = 10,334.85 × 4,579.18
  4. Step 4: Simplify right side
    7,490.36x = 47,325,063.85
  5. Step 5: Solve for x
    x = 47,325,063.85/7,490.36
  6. Step 6: Final answer
    x = 6,318.13

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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.