Home / 4,426.02-6,638.87-1,139.15

Finding the Fourth Proportional to 4,426.02, 6,638.87 and 1,139.15

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Solution

The fourth proportional to 4,426.02, 6,638.87 and 1,139.15 is: 1,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.02 : 6,638.87 = 1,139.15 : x
  2. Step 2: Convert to fraction form
    4,426.02/6,638.87 = 1,139.15/x
  3. Step 3: Cross multiply
    4,426.02x = 6,638.87 × 1,139.15
  4. Step 4: Simplify right side
    4,426.02x = 7,562,629.87
  5. Step 5: Solve for x
    x = 7,562,629.87/4,426.02
  6. Step 6: Final answer
    x = 1,708.68

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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.