Home / 6,285.60-9,429.30-2,124.90

Finding the Fourth Proportional to 6,285.60, 9,429.30 and 2,124.90

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Solution

The fourth proportional to 6,285.60, 9,429.30 and 2,124.90 is: 3,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.60 : 9,429.30 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    6,285.60/9,429.30 = 2,124.90/x
  3. Step 3: Cross multiply
    6,285.60x = 9,429.30 × 2,124.90
  4. Step 4: Simplify right side
    6,285.60x = 20,036,319.57
  5. Step 5: Solve for x
    x = 20,036,319.57/6,285.60
  6. Step 6: Final answer
    x = 3,187.65

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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.