Home / 5,355.40-8,034.30-1,657.80

Finding the Fourth Proportional to 5,355.40, 8,034.30 and 1,657.80

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Solution

The fourth proportional to 5,355.40, 8,034.30 and 1,657.80 is: 2,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.40 : 8,034.30 = 1,657.80 : x
  2. Step 2: Convert to fraction form
    5,355.40/8,034.30 = 1,657.80/x
  3. Step 3: Cross multiply
    5,355.40x = 8,034.30 × 1,657.80
  4. Step 4: Simplify right side
    5,355.40x = 13,319,262.54
  5. Step 5: Solve for x
    x = 13,319,262.54/5,355.40
  6. Step 6: Final answer
    x = 2,487.07

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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.