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Finding the Fourth Proportional to 5,353.60, 8,030.10 and 1,655.80

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Solution

The fourth proportional to 5,353.60, 8,030.10 and 1,655.80 is: 2,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.60 : 8,030.10 = 1,655.80 : x
  2. Step 2: Convert to fraction form
    5,353.60/8,030.10 = 1,655.80/x
  3. Step 3: Cross multiply
    5,353.60x = 8,030.10 × 1,655.80
  4. Step 4: Simplify right side
    5,353.60x = 13,296,239.58
  5. Step 5: Solve for x
    x = 13,296,239.58/5,353.60
  6. Step 6: Final answer
    x = 2,483.61

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1.5x scale

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.