Home / 7,429.35-10,252.12-4,071.57

Finding the Fourth Proportional to 7,429.35, 10,252.12 and 4,071.57

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Solution

The fourth proportional to 7,429.35, 10,252.12 and 4,071.57 is: 5,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.35 : 10,252.12 = 4,071.57 : x
  2. Step 2: Convert to fraction form
    7,429.35/10,252.12 = 4,071.57/x
  3. Step 3: Cross multiply
    7,429.35x = 10,252.12 × 4,071.57
  4. Step 4: Simplify right side
    7,429.35x = 41,742,224.23
  5. Step 5: Solve for x
    x = 41,742,224.23/7,429.35
  6. Step 6: Final answer
    x = 5,618.56

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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.