Home / 7,356.90-10,154.25-4,842.42

Finding the Fourth Proportional to 7,356.90, 10,154.25 and 4,842.42

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Solution

The fourth proportional to 7,356.90, 10,154.25 and 4,842.42 is: 6,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.90 : 10,154.25 = 4,842.42 : x
  2. Step 2: Convert to fraction form
    7,356.90/10,154.25 = 4,842.42/x
  3. Step 3: Cross multiply
    7,356.90x = 10,154.25 × 4,842.42
  4. Step 4: Simplify right side
    7,356.90x = 49,171,143.29
  5. Step 5: Solve for x
    x = 49,171,143.29/7,356.90
  6. Step 6: Final answer
    x = 6,683.68

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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.