Home / 7,429.12-10,252.40-4,285.52

Finding the Fourth Proportional to 7,429.12, 10,252.40 and 4,285.52

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Solution

The fourth proportional to 7,429.12, 10,252.40 and 4,285.52 is: 5,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.12 : 10,252.40 = 4,285.52 : x
  2. Step 2: Convert to fraction form
    7,429.12/10,252.40 = 4,285.52/x
  3. Step 3: Cross multiply
    7,429.12x = 10,252.40 × 4,285.52
  4. Step 4: Simplify right side
    7,429.12x = 43,936,865.25
  5. Step 5: Solve for x
    x = 43,936,865.25/7,429.12
  6. Step 6: Final answer
    x = 5,914.14

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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.