Home / 6,155.02-8,491.92-3,637.20

Finding the Fourth Proportional to 6,155.02, 8,491.92 and 3,637.20

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Solution

The fourth proportional to 6,155.02, 8,491.92 and 3,637.20 is: 5,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.02 : 8,491.92 = 3,637.20 : x
  2. Step 2: Convert to fraction form
    6,155.02/8,491.92 = 3,637.20/x
  3. Step 3: Cross multiply
    6,155.02x = 8,491.92 × 3,637.20
  4. Step 4: Simplify right side
    6,155.02x = 30,886,811.42
  5. Step 5: Solve for x
    x = 30,886,811.42/6,155.02
  6. Step 6: Final answer
    x = 5,018.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.