Home / 7,710.40-11,567.20-3,810.24

Finding the Fourth Proportional to 7,710.40, 11,567.20 and 3,810.24

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Solution

The fourth proportional to 7,710.40, 11,567.20 and 3,810.24 is: 5,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.40 : 11,567.20 = 3,810.24 : x
  2. Step 2: Convert to fraction form
    7,710.40/11,567.20 = 3,810.24/x
  3. Step 3: Cross multiply
    7,710.40x = 11,567.20 × 3,810.24
  4. Step 4: Simplify right side
    7,710.40x = 44,073,808.13
  5. Step 5: Solve for x
    x = 44,073,808.13/7,710.40
  6. Step 6: Final answer
    x = 5,716.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.