Home / 7,561.16-10,434.48-4,203.80

Finding the Fourth Proportional to 7,561.16, 10,434.48 and 4,203.80

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Solution

The fourth proportional to 7,561.16, 10,434.48 and 4,203.80 is: 5,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.16 : 10,434.48 = 4,203.80 : x
  2. Step 2: Convert to fraction form
    7,561.16/10,434.48 = 4,203.80/x
  3. Step 3: Cross multiply
    7,561.16x = 10,434.48 × 4,203.80
  4. Step 4: Simplify right side
    7,561.16x = 43,864,467.02
  5. Step 5: Solve for x
    x = 43,864,467.02/7,561.16
  6. Step 6: Final answer
    x = 5,801.29

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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.