Home / 5,877.40-8,816.10-5,207.80

Finding the Fourth Proportional to 5,877.40, 8,816.10 and 5,207.80

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Solution

The fourth proportional to 5,877.40, 8,816.10 and 5,207.80 is: 7,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.40 : 8,816.10 = 5,207.80 : x
  2. Step 2: Convert to fraction form
    5,877.40/8,816.10 = 5,207.80/x
  3. Step 3: Cross multiply
    5,877.40x = 8,816.10 × 5,207.80
  4. Step 4: Simplify right side
    5,877.40x = 45,912,485.58
  5. Step 5: Solve for x
    x = 45,912,485.58/5,877.40
  6. Step 6: Final answer
    x = 7,811.70

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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.