Home / 7,241.40-9,992.36-4,258.17

Finding the Fourth Proportional to 7,241.40, 9,992.36 and 4,258.17

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Solution

The fourth proportional to 7,241.40, 9,992.36 and 4,258.17 is: 5,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.40 : 9,992.36 = 4,258.17 : x
  2. Step 2: Convert to fraction form
    7,241.40/9,992.36 = 4,258.17/x
  3. Step 3: Cross multiply
    7,241.40x = 9,992.36 × 4,258.17
  4. Step 4: Simplify right side
    7,241.40x = 42,549,178.23
  5. Step 5: Solve for x
    x = 42,549,178.23/7,241.40
  6. Step 6: Final answer
    x = 5,875.82

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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.