Home / 7,442.19-10,270.80-5,087.52

Finding the Fourth Proportional to 7,442.19, 10,270.80 and 5,087.52

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Solution

The fourth proportional to 7,442.19, 10,270.80 and 5,087.52 is: 7,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.19 : 10,270.80 = 5,087.52 : x
  2. Step 2: Convert to fraction form
    7,442.19/10,270.80 = 5,087.52/x
  3. Step 3: Cross multiply
    7,442.19x = 10,270.80 × 5,087.52
  4. Step 4: Simplify right side
    7,442.19x = 52,252,900.42
  5. Step 5: Solve for x
    x = 52,252,900.42/7,442.19
  6. Step 6: Final answer
    x = 7,021.17

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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.