Home / 4,405.02-6,078.74-2,637.60

Finding the Fourth Proportional to 4,405.02, 6,078.74 and 2,637.60

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Solution

The fourth proportional to 4,405.02, 6,078.74 and 2,637.60 is: 3,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.02 : 6,078.74 = 2,637.60 : x
  2. Step 2: Convert to fraction form
    4,405.02/6,078.74 = 2,637.60/x
  3. Step 3: Cross multiply
    4,405.02x = 6,078.74 × 2,637.60
  4. Step 4: Simplify right side
    4,405.02x = 16,033,271.44
  5. Step 5: Solve for x
    x = 16,033,271.44/4,405.02
  6. Step 6: Final answer
    x = 3,639.77

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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.