Home / 4,971.92-7,457.54-3,587.76

Finding the Fourth Proportional to 4,971.92, 7,457.54 and 3,587.76

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Solution

The fourth proportional to 4,971.92, 7,457.54 and 3,587.76 is: 5,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.92 : 7,457.54 = 3,587.76 : x
  2. Step 2: Convert to fraction form
    4,971.92/7,457.54 = 3,587.76/x
  3. Step 3: Cross multiply
    4,971.92x = 7,457.54 × 3,587.76
  4. Step 4: Simplify right side
    4,971.92x = 26,755,845.77
  5. Step 5: Solve for x
    x = 26,755,845.77/4,971.92
  6. Step 6: Final answer
    x = 5,381.40

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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.