Home / 7,904.20-11,856.54-2,710

Finding the Fourth Proportional to 7,904.20, 11,856.54 and 2,710

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Solution

The fourth proportional to 7,904.20, 11,856.54 and 2,710 is: 4,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.20 : 11,856.54 = 2,710 : x
  2. Step 2: Convert to fraction form
    7,904.20/11,856.54 = 2,710/x
  3. Step 3: Cross multiply
    7,904.20x = 11,856.54 × 2,710
  4. Step 4: Simplify right side
    7,904.20x = 32,131,223.40
  5. Step 5: Solve for x
    x = 32,131,223.40/7,904.20
  6. Step 6: Final answer
    x = 4,065.08

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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.