Home / 5,269.20-7,903.80-4,405.20

Finding the Fourth Proportional to 5,269.20, 7,903.80 and 4,405.20

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Solution

The fourth proportional to 5,269.20, 7,903.80 and 4,405.20 is: 6,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.20 : 7,903.80 = 4,405.20 : x
  2. Step 2: Convert to fraction form
    5,269.20/7,903.80 = 4,405.20/x
  3. Step 3: Cross multiply
    5,269.20x = 7,903.80 × 4,405.20
  4. Step 4: Simplify right side
    5,269.20x = 34,817,819.76
  5. Step 5: Solve for x
    x = 34,817,819.76/5,269.20
  6. Step 6: Final answer
    x = 6,607.80

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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.