Home / 7,428.30-10,252.08-4,284.42

Finding the Fourth Proportional to 7,428.30, 10,252.08 and 4,284.42

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Solution

The fourth proportional to 7,428.30, 10,252.08 and 4,284.42 is: 5,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.30 : 10,252.08 = 4,284.42 : x
  2. Step 2: Convert to fraction form
    7,428.30/10,252.08 = 4,284.42/x
  3. Step 3: Cross multiply
    7,428.30x = 10,252.08 × 4,284.42
  4. Step 4: Simplify right side
    7,428.30x = 43,924,216.59
  5. Step 5: Solve for x
    x = 43,924,216.59/7,428.30
  6. Step 6: Final answer
    x = 5,913.09

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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.