Home / 5,133.60-7,699.20-1,668.96

Finding the Fourth Proportional to 5,133.60, 7,699.20 and 1,668.96

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Solution

The fourth proportional to 5,133.60, 7,699.20 and 1,668.96 is: 2,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.60 : 7,699.20 = 1,668.96 : x
  2. Step 2: Convert to fraction form
    5,133.60/7,699.20 = 1,668.96/x
  3. Step 3: Cross multiply
    5,133.60x = 7,699.20 × 1,668.96
  4. Step 4: Simplify right side
    5,133.60x = 12,849,656.83
  5. Step 5: Solve for x
    x = 12,849,656.83/5,133.60
  6. Step 6: Final answer
    x = 2,503.05

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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.