Home / 7,279.01-10,045.04-4,135.80

Finding the Fourth Proportional to 7,279.01, 10,045.04 and 4,135.80

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Solution

The fourth proportional to 7,279.01, 10,045.04 and 4,135.80 is: 5,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.01 : 10,045.04 = 4,135.80 : x
  2. Step 2: Convert to fraction form
    7,279.01/10,045.04 = 4,135.80/x
  3. Step 3: Cross multiply
    7,279.01x = 10,045.04 × 4,135.80
  4. Step 4: Simplify right side
    7,279.01x = 41,544,255.75
  5. Step 5: Solve for x
    x = 41,544,255.75/7,279.01
  6. Step 6: Final answer
    x = 5,707.41

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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.