Home / 5,725.60-8,588.16-1,830.88

Finding the Fourth Proportional to 5,725.60, 8,588.16 and 1,830.88

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Solution

The fourth proportional to 5,725.60, 8,588.16 and 1,830.88 is: 2,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.60 : 8,588.16 = 1,830.88 : x
  2. Step 2: Convert to fraction form
    5,725.60/8,588.16 = 1,830.88/x
  3. Step 3: Cross multiply
    5,725.60x = 8,588.16 × 1,830.88
  4. Step 4: Simplify right side
    5,725.60x = 15,723,890.38
  5. Step 5: Solve for x
    x = 15,723,890.38/5,725.60
  6. Step 6: Final answer
    x = 2,746.24

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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.