Home / 4,828.16-7,240.70-1,540.49

Finding the Fourth Proportional to 4,828.16, 7,240.70 and 1,540.49

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Solution

The fourth proportional to 4,828.16, 7,240.70 and 1,540.49 is: 2,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.16 : 7,240.70 = 1,540.49 : x
  2. Step 2: Convert to fraction form
    4,828.16/7,240.70 = 1,540.49/x
  3. Step 3: Cross multiply
    4,828.16x = 7,240.70 × 1,540.49
  4. Step 4: Simplify right side
    4,828.16x = 11,154,225.94
  5. Step 5: Solve for x
    x = 11,154,225.94/4,828.16
  6. Step 6: Final answer
    x = 2,310.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.