Home / 6,285.12-9,424.56-2,123.70

Finding the Fourth Proportional to 6,285.12, 9,424.56 and 2,123.70

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Solution

The fourth proportional to 6,285.12, 9,424.56 and 2,123.70 is: 3,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.12 : 9,424.56 = 2,123.70 : x
  2. Step 2: Convert to fraction form
    6,285.12/9,424.56 = 2,123.70/x
  3. Step 3: Cross multiply
    6,285.12x = 9,424.56 × 2,123.70
  4. Step 4: Simplify right side
    6,285.12x = 20,014,938.07
  5. Step 5: Solve for x
    x = 20,014,938.07/6,285.12
  6. Step 6: Final answer
    x = 3,184.50

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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.