Home / 4,970.78-7,457.24-1,508.30

Finding the Fourth Proportional to 4,970.78, 7,457.24 and 1,508.30

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Solution

The fourth proportional to 4,970.78, 7,457.24 and 1,508.30 is: 2,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.78 : 7,457.24 = 1,508.30 : x
  2. Step 2: Convert to fraction form
    4,970.78/7,457.24 = 1,508.30/x
  3. Step 3: Cross multiply
    4,970.78x = 7,457.24 × 1,508.30
  4. Step 4: Simplify right side
    4,970.78x = 11,247,755.09
  5. Step 5: Solve for x
    x = 11,247,755.09/4,970.78
  6. Step 6: Final answer
    x = 2,262.77

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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.