Home / 7,895.60-11,827.80-5,124.20

Finding the Fourth Proportional to 7,895.60, 11,827.80 and 5,124.20

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Solution

The fourth proportional to 7,895.60, 11,827.80 and 5,124.20 is: 7,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.60 : 11,827.80 = 5,124.20 : x
  2. Step 2: Convert to fraction form
    7,895.60/11,827.80 = 5,124.20/x
  3. Step 3: Cross multiply
    7,895.60x = 11,827.80 × 5,124.20
  4. Step 4: Simplify right side
    7,895.60x = 60,608,012.76
  5. Step 5: Solve for x
    x = 60,608,012.76/7,895.60
  6. Step 6: Final answer
    x = 7,676.18

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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.