Home / 4,948.02-7,421.94-1,661.04

Finding the Fourth Proportional to 4,948.02, 7,421.94 and 1,661.04

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Solution

The fourth proportional to 4,948.02, 7,421.94 and 1,661.04 is: 2,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.02 : 7,421.94 = 1,661.04 : x
  2. Step 2: Convert to fraction form
    4,948.02/7,421.94 = 1,661.04/x
  3. Step 3: Cross multiply
    4,948.02x = 7,421.94 × 1,661.04
  4. Step 4: Simplify right side
    4,948.02x = 12,328,139.22
  5. Step 5: Solve for x
    x = 12,328,139.22/4,948.02
  6. Step 6: Final answer
    x = 2,491.53

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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.