Home / 5,728.42-8,588.43-1,830.58

Finding the Fourth Proportional to 5,728.42, 8,588.43 and 1,830.58

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Solution

The fourth proportional to 5,728.42, 8,588.43 and 1,830.58 is: 2,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.42 : 8,588.43 = 1,830.58 : x
  2. Step 2: Convert to fraction form
    5,728.42/8,588.43 = 1,830.58/x
  3. Step 3: Cross multiply
    5,728.42x = 8,588.43 × 1,830.58
  4. Step 4: Simplify right side
    5,728.42x = 15,721,808.19
  5. Step 5: Solve for x
    x = 15,721,808.19/5,728.42
  6. Step 6: Final answer
    x = 2,744.53

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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.