Home / 7,539.30-10,412.37-5,880.42

Finding the Fourth Proportional to 7,539.30, 10,412.37 and 5,880.42

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Solution

The fourth proportional to 7,539.30, 10,412.37 and 5,880.42 is: 8,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.30 : 10,412.37 = 5,880.42 : x
  2. Step 2: Convert to fraction form
    7,539.30/10,412.37 = 5,880.42/x
  3. Step 3: Cross multiply
    7,539.30x = 10,412.37 × 5,880.42
  4. Step 4: Simplify right side
    7,539.30x = 61,229,108.80
  5. Step 5: Solve for x
    x = 61,229,108.80/7,539.30
  6. Step 6: Final answer
    x = 8,121.33

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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.