Home / 7,710.36-11,565.54-3,810.84

Finding the Fourth Proportional to 7,710.36, 11,565.54 and 3,810.84

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Solution

The fourth proportional to 7,710.36, 11,565.54 and 3,810.84 is: 5,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.36 : 11,565.54 = 3,810.84 : x
  2. Step 2: Convert to fraction form
    7,710.36/11,565.54 = 3,810.84/x
  3. Step 3: Cross multiply
    7,710.36x = 11,565.54 × 3,810.84
  4. Step 4: Simplify right side
    7,710.36x = 44,074,422.45
  5. Step 5: Solve for x
    x = 44,074,422.45/7,710.36
  6. Step 6: Final answer
    x = 5,716.26

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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.