Home / 5,355.30-8,031.42-1,655.58

Finding the Fourth Proportional to 5,355.30, 8,031.42 and 1,655.58

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Solution

The fourth proportional to 5,355.30, 8,031.42 and 1,655.58 is: 2,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.30 : 8,031.42 = 1,655.58 : x
  2. Step 2: Convert to fraction form
    5,355.30/8,031.42 = 1,655.58/x
  3. Step 3: Cross multiply
    5,355.30x = 8,031.42 × 1,655.58
  4. Step 4: Simplify right side
    5,355.30x = 13,296,658.32
  5. Step 5: Solve for x
    x = 13,296,658.32/5,355.30
  6. Step 6: Final answer
    x = 2,482.90

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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.