Home / 4,920.02-7,381.11-1,457.54

Finding the Fourth Proportional to 4,920.02, 7,381.11 and 1,457.54

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Solution

The fourth proportional to 4,920.02, 7,381.11 and 1,457.54 is: 2,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.02 : 7,381.11 = 1,457.54 : x
  2. Step 2: Convert to fraction form
    4,920.02/7,381.11 = 1,457.54/x
  3. Step 3: Cross multiply
    4,920.02x = 7,381.11 × 1,457.54
  4. Step 4: Simplify right side
    4,920.02x = 10,758,263.07
  5. Step 5: Solve for x
    x = 10,758,263.07/4,920.02
  6. Step 6: Final answer
    x = 2,186.63

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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.