Home / 7,875.09-11,813.55-2,610.56

Finding the Fourth Proportional to 7,875.09, 11,813.55 and 2,610.56

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Solution

The fourth proportional to 7,875.09, 11,813.55 and 2,610.56 is: 3,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.09 : 11,813.55 = 2,610.56 : x
  2. Step 2: Convert to fraction form
    7,875.09/11,813.55 = 2,610.56/x
  3. Step 3: Cross multiply
    7,875.09x = 11,813.55 × 2,610.56
  4. Step 4: Simplify right side
    7,875.09x = 30,840,000.83
  5. Step 5: Solve for x
    x = 30,840,000.83/7,875.09
  6. Step 6: Final answer
    x = 3,916.15

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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.