Home / 5,285.58-7,293.12-3,421.50

Finding the Fourth Proportional to 5,285.58, 7,293.12 and 3,421.50

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Solution

The fourth proportional to 5,285.58, 7,293.12 and 3,421.50 is: 4,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.58 : 7,293.12 = 3,421.50 : x
  2. Step 2: Convert to fraction form
    5,285.58/7,293.12 = 3,421.50/x
  3. Step 3: Cross multiply
    5,285.58x = 7,293.12 × 3,421.50
  4. Step 4: Simplify right side
    5,285.58x = 24,953,410.08
  5. Step 5: Solve for x
    x = 24,953,410.08/5,285.58
  6. Step 6: Final answer
    x = 4,721.04

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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.