Home / 3,506.15-5,263.02-3,118.64

Finding the Fourth Proportional to 3,506.15, 5,263.02 and 3,118.64

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Solution

The fourth proportional to 3,506.15, 5,263.02 and 3,118.64 is: 4,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.15 : 5,263.02 = 3,118.64 : x
  2. Step 2: Convert to fraction form
    3,506.15/5,263.02 = 3,118.64/x
  3. Step 3: Cross multiply
    3,506.15x = 5,263.02 × 3,118.64
  4. Step 4: Simplify right side
    3,506.15x = 16,413,438.38
  5. Step 5: Solve for x
    x = 16,413,438.38/3,506.15
  6. Step 6: Final answer
    x = 4,681.32

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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.