Home / 4,971.30-7,457.22-1,508.28

Finding the Fourth Proportional to 4,971.30, 7,457.22 and 1,508.28

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Solution

The fourth proportional to 4,971.30, 7,457.22 and 1,508.28 is: 2,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.30 : 7,457.22 = 1,508.28 : x
  2. Step 2: Convert to fraction form
    4,971.30/7,457.22 = 1,508.28/x
  3. Step 3: Cross multiply
    4,971.30x = 7,457.22 × 1,508.28
  4. Step 4: Simplify right side
    4,971.30x = 11,247,575.78
  5. Step 5: Solve for x
    x = 11,247,575.78/4,971.30
  6. Step 6: Final answer
    x = 2,262.50

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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.