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Finding the Fourth Proportional to 4,666.60, 7,009.62 and 3,699.46

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Solution

The fourth proportional to 4,666.60, 7,009.62 and 3,699.46 is: 5,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.60 : 7,009.62 = 3,699.46 : x
  2. Step 2: Convert to fraction form
    4,666.60/7,009.62 = 3,699.46/x
  3. Step 3: Cross multiply
    4,666.60x = 7,009.62 × 3,699.46
  4. Step 4: Simplify right side
    4,666.60x = 25,931,808.81
  5. Step 5: Solve for x
    x = 25,931,808.81/4,666.60
  6. Step 6: Final answer
    x = 5,556.90

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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.