Home / 5,809.80-8,013.40-3,572.94

Finding the Fourth Proportional to 5,809.80, 8,013.40 and 3,572.94

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Solution

The fourth proportional to 5,809.80, 8,013.40 and 3,572.94 is: 4,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.80 : 8,013.40 = 3,572.94 : x
  2. Step 2: Convert to fraction form
    5,809.80/8,013.40 = 3,572.94/x
  3. Step 3: Cross multiply
    5,809.80x = 8,013.40 × 3,572.94
  4. Step 4: Simplify right side
    5,809.80x = 28,631,397.40
  5. Step 5: Solve for x
    x = 28,631,397.40/5,809.80
  6. Step 6: Final answer
    x = 4,928.12

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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.