Home / 5,625.60-8,438.64-1,730.16

Finding the Fourth Proportional to 5,625.60, 8,438.64 and 1,730.16

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Solution

The fourth proportional to 5,625.60, 8,438.64 and 1,730.16 is: 2,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.60 : 8,438.64 = 1,730.16 : x
  2. Step 2: Convert to fraction form
    5,625.60/8,438.64 = 1,730.16/x
  3. Step 3: Cross multiply
    5,625.60x = 8,438.64 × 1,730.16
  4. Step 4: Simplify right side
    5,625.60x = 14,600,197.38
  5. Step 5: Solve for x
    x = 14,600,197.38/5,625.60
  6. Step 6: Final answer
    x = 2,595.31

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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.