Home / 4,070.64-5,613.66-2,895.60

Finding the Fourth Proportional to 4,070.64, 5,613.66 and 2,895.60

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Solution

The fourth proportional to 4,070.64, 5,613.66 and 2,895.60 is: 3,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.64 : 5,613.66 = 2,895.60 : x
  2. Step 2: Convert to fraction form
    4,070.64/5,613.66 = 2,895.60/x
  3. Step 3: Cross multiply
    4,070.64x = 5,613.66 × 2,895.60
  4. Step 4: Simplify right side
    4,070.64x = 16,254,913.90
  5. Step 5: Solve for x
    x = 16,254,913.90/4,070.64
  6. Step 6: Final answer
    x = 3,993.21

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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.