Home / 4,407.02-6,079.59-2,638.28

Finding the Fourth Proportional to 4,407.02, 6,079.59 and 2,638.28

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Solution

The fourth proportional to 4,407.02, 6,079.59 and 2,638.28 is: 3,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.02 : 6,079.59 = 2,638.28 : x
  2. Step 2: Convert to fraction form
    4,407.02/6,079.59 = 2,638.28/x
  3. Step 3: Cross multiply
    4,407.02x = 6,079.59 × 2,638.28
  4. Step 4: Simplify right side
    4,407.02x = 16,039,675.90
  5. Step 5: Solve for x
    x = 16,039,675.90/4,407.02
  6. Step 6: Final answer
    x = 3,639.57

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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.