Home / 7,800.20-11,699.16-2,535.69

Finding the Fourth Proportional to 7,800.20, 11,699.16 and 2,535.69

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Solution

The fourth proportional to 7,800.20, 11,699.16 and 2,535.69 is: 3,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.20 : 11,699.16 = 2,535.69 : x
  2. Step 2: Convert to fraction form
    7,800.20/11,699.16 = 2,535.69/x
  3. Step 3: Cross multiply
    7,800.20x = 11,699.16 × 2,535.69
  4. Step 4: Simplify right side
    7,800.20x = 29,665,484.52
  5. Step 5: Solve for x
    x = 29,665,484.52/7,800.20
  6. Step 6: Final answer
    x = 3,803.17

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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.