Home / 5,623.60-8,435.68-1,925.68

Finding the Fourth Proportional to 5,623.60, 8,435.68 and 1,925.68

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Solution

The fourth proportional to 5,623.60, 8,435.68 and 1,925.68 is: 2,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.60 : 8,435.68 = 1,925.68 : x
  2. Step 2: Convert to fraction form
    5,623.60/8,435.68 = 1,925.68/x
  3. Step 3: Cross multiply
    5,623.60x = 8,435.68 × 1,925.68
  4. Step 4: Simplify right side
    5,623.60x = 16,244,420.26
  5. Step 5: Solve for x
    x = 16,244,420.26/5,623.60
  6. Step 6: Final answer
    x = 2,888.62

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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.