Home / 5,555.13-8,336.80-4,472.57

Finding the Fourth Proportional to 5,555.13, 8,336.80 and 4,472.57

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Solution

The fourth proportional to 5,555.13, 8,336.80 and 4,472.57 is: 6,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.13 : 8,336.80 = 4,472.57 : x
  2. Step 2: Convert to fraction form
    5,555.13/8,336.80 = 4,472.57/x
  3. Step 3: Cross multiply
    5,555.13x = 8,336.80 × 4,472.57
  4. Step 4: Simplify right side
    5,555.13x = 37,286,888.54
  5. Step 5: Solve for x
    x = 37,286,888.54/5,555.13
  6. Step 6: Final answer
    x = 6,712.15

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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.