Home / 7,875.15-11,813.98-2,610.35

Finding the Fourth Proportional to 7,875.15, 11,813.98 and 2,610.35

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Solution

The fourth proportional to 7,875.15, 11,813.98 and 2,610.35 is: 3,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.15 : 11,813.98 = 2,610.35 : x
  2. Step 2: Convert to fraction form
    7,875.15/11,813.98 = 2,610.35/x
  3. Step 3: Cross multiply
    7,875.15x = 11,813.98 × 2,610.35
  4. Step 4: Simplify right side
    7,875.15x = 30,838,563.62
  5. Step 5: Solve for x
    x = 30,838,563.62/7,875.15
  6. Step 6: Final answer
    x = 3,915.93

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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.