Home / 5,815.34-8,721.68-1,655.24

Finding the Fourth Proportional to 5,815.34, 8,721.68 and 1,655.24

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Solution

The fourth proportional to 5,815.34, 8,721.68 and 1,655.24 is: 2,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.34 : 8,721.68 = 1,655.24 : x
  2. Step 2: Convert to fraction form
    5,815.34/8,721.68 = 1,655.24/x
  3. Step 3: Cross multiply
    5,815.34x = 8,721.68 × 1,655.24
  4. Step 4: Simplify right side
    5,815.34x = 14,436,473.60
  5. Step 5: Solve for x
    x = 14,436,473.60/5,815.34
  6. Step 6: Final answer
    x = 2,482.48

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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.