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Finding the Fourth Proportional to 5,353.08, 8,031.02 and 1,655.40

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Solution

The fourth proportional to 5,353.08, 8,031.02 and 1,655.40 is: 2,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.08 : 8,031.02 = 1,655.40 : x
  2. Step 2: Convert to fraction form
    5,353.08/8,031.02 = 1,655.40/x
  3. Step 3: Cross multiply
    5,353.08x = 8,031.02 × 1,655.40
  4. Step 4: Simplify right side
    5,353.08x = 13,294,550.51
  5. Step 5: Solve for x
    x = 13,294,550.51/5,353.08
  6. Step 6: Final answer
    x = 2,483.53

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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.