Home / 5,354.08-8,031.76-1,606.08

Finding the Fourth Proportional to 5,354.08, 8,031.76 and 1,606.08

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Solution

The fourth proportional to 5,354.08, 8,031.76 and 1,606.08 is: 2,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.08 : 8,031.76 = 1,606.08 : x
  2. Step 2: Convert to fraction form
    5,354.08/8,031.76 = 1,606.08/x
  3. Step 3: Cross multiply
    5,354.08x = 8,031.76 × 1,606.08
  4. Step 4: Simplify right side
    5,354.08x = 12,899,649.10
  5. Step 5: Solve for x
    x = 12,899,649.10/5,354.08
  6. Step 6: Final answer
    x = 2,409.31

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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.