Home / 5,741.30-7,921.05-3,646.64

Finding the Fourth Proportional to 5,741.30, 7,921.05 and 3,646.64

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Solution

The fourth proportional to 5,741.30, 7,921.05 and 3,646.64 is: 5,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.30 : 7,921.05 = 3,646.64 : x
  2. Step 2: Convert to fraction form
    5,741.30/7,921.05 = 3,646.64/x
  3. Step 3: Cross multiply
    5,741.30x = 7,921.05 × 3,646.64
  4. Step 4: Simplify right side
    5,741.30x = 28,885,217.77
  5. Step 5: Solve for x
    x = 28,885,217.77/5,741.30
  6. Step 6: Final answer
    x = 5,031.13

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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.