Home / 7,710.60-11,557.62-3,330.12

Finding the Fourth Proportional to 7,710.60, 11,557.62 and 3,330.12

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Solution

The fourth proportional to 7,710.60, 11,557.62 and 3,330.12 is: 4,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.60 : 11,557.62 = 3,330.12 : x
  2. Step 2: Convert to fraction form
    7,710.60/11,557.62 = 3,330.12/x
  3. Step 3: Cross multiply
    7,710.60x = 11,557.62 × 3,330.12
  4. Step 4: Simplify right side
    7,710.60x = 38,488,261.51
  5. Step 5: Solve for x
    x = 38,488,261.51/7,710.60
  6. Step 6: Final answer
    x = 4,991.60

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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.