Home / 7,428.35-10,250.79-4,442.42

Finding the Fourth Proportional to 7,428.35, 10,250.79 and 4,442.42

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Solution

The fourth proportional to 7,428.35, 10,250.79 and 4,442.42 is: 6,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.35 : 10,250.79 = 4,442.42 : x
  2. Step 2: Convert to fraction form
    7,428.35/10,250.79 = 4,442.42/x
  3. Step 3: Cross multiply
    7,428.35x = 10,250.79 × 4,442.42
  4. Step 4: Simplify right side
    7,428.35x = 45,538,263.26
  5. Step 5: Solve for x
    x = 45,538,263.26/7,428.35
  6. Step 6: Final answer
    x = 6,130.34

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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.