Home / 7,793.15-11,689.34-2,862.40

Finding the Fourth Proportional to 7,793.15, 11,689.34 and 2,862.40

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Solution

The fourth proportional to 7,793.15, 11,689.34 and 2,862.40 is: 4,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.15 : 11,689.34 = 2,862.40 : x
  2. Step 2: Convert to fraction form
    7,793.15/11,689.34 = 2,862.40/x
  3. Step 3: Cross multiply
    7,793.15x = 11,689.34 × 2,862.40
  4. Step 4: Simplify right side
    7,793.15x = 33,459,566.82
  5. Step 5: Solve for x
    x = 33,459,566.82/7,793.15
  6. Step 6: Final answer
    x = 4,293.46

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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.