Home / 5,556.30-8,334.45-5,434.80

Finding the Fourth Proportional to 5,556.30, 8,334.45 and 5,434.80

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Solution

The fourth proportional to 5,556.30, 8,334.45 and 5,434.80 is: 8,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.30 : 8,334.45 = 5,434.80 : x
  2. Step 2: Convert to fraction form
    5,556.30/8,334.45 = 5,434.80/x
  3. Step 3: Cross multiply
    5,556.30x = 8,334.45 × 5,434.80
  4. Step 4: Simplify right side
    5,556.30x = 45,296,068.86
  5. Step 5: Solve for x
    x = 45,296,068.86/5,556.30
  6. Step 6: Final answer
    x = 8,152.20

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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.