Home / 5,355.60-8,033.64-1,657.74

Finding the Fourth Proportional to 5,355.60, 8,033.64 and 1,657.74

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Solution

The fourth proportional to 5,355.60, 8,033.64 and 1,657.74 is: 2,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.60 : 8,033.64 = 1,657.74 : x
  2. Step 2: Convert to fraction form
    5,355.60/8,033.64 = 1,657.74/x
  3. Step 3: Cross multiply
    5,355.60x = 8,033.64 × 1,657.74
  4. Step 4: Simplify right side
    5,355.60x = 13,317,686.37
  5. Step 5: Solve for x
    x = 13,317,686.37/5,355.60
  6. Step 6: Final answer
    x = 2,486.68

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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.