Home / 7,503.06-10,354.24-4,145.80

Finding the Fourth Proportional to 7,503.06, 10,354.24 and 4,145.80

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Solution

The fourth proportional to 7,503.06, 10,354.24 and 4,145.80 is: 5,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.06 : 10,354.24 = 4,145.80 : x
  2. Step 2: Convert to fraction form
    7,503.06/10,354.24 = 4,145.80/x
  3. Step 3: Cross multiply
    7,503.06x = 10,354.24 × 4,145.80
  4. Step 4: Simplify right side
    7,503.06x = 42,926,608.19
  5. Step 5: Solve for x
    x = 42,926,608.19/7,503.06
  6. Step 6: Final answer
    x = 5,721.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.