Home / 5,728.70-8,593.59-1,780.01

Finding the Fourth Proportional to 5,728.70, 8,593.59 and 1,780.01

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Solution

The fourth proportional to 5,728.70, 8,593.59 and 1,780.01 is: 2,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.70 : 8,593.59 = 1,780.01 : x
  2. Step 2: Convert to fraction form
    5,728.70/8,593.59 = 1,780.01/x
  3. Step 3: Cross multiply
    5,728.70x = 8,593.59 × 1,780.01
  4. Step 4: Simplify right side
    5,728.70x = 15,296,672.07
  5. Step 5: Solve for x
    x = 15,296,672.07/5,728.70
  6. Step 6: Final answer
    x = 2,670.18

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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.