Home / 7,429.32-10,252.48-4,072.08

Finding the Fourth Proportional to 7,429.32, 10,252.48 and 4,072.08

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Solution

The fourth proportional to 7,429.32, 10,252.48 and 4,072.08 is: 5,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.32 : 10,252.48 = 4,072.08 : x
  2. Step 2: Convert to fraction form
    7,429.32/10,252.48 = 4,072.08/x
  3. Step 3: Cross multiply
    7,429.32x = 10,252.48 × 4,072.08
  4. Step 4: Simplify right side
    7,429.32x = 41,748,918.76
  5. Step 5: Solve for x
    x = 41,748,918.76/7,429.32
  6. Step 6: Final answer
    x = 5,619.48

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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.