Home / 5,007.42-7,510.59-1,720.44

Finding the Fourth Proportional to 5,007.42, 7,510.59 and 1,720.44

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Solution

The fourth proportional to 5,007.42, 7,510.59 and 1,720.44 is: 2,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.42 : 7,510.59 = 1,720.44 : x
  2. Step 2: Convert to fraction form
    5,007.42/7,510.59 = 1,720.44/x
  3. Step 3: Cross multiply
    5,007.42x = 7,510.59 × 1,720.44
  4. Step 4: Simplify right side
    5,007.42x = 12,921,519.46
  5. Step 5: Solve for x
    x = 12,921,519.46/5,007.42
  6. Step 6: Final answer
    x = 2,580.47

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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.