Home / 8,242.40-11,374.54-4,465.55

Finding the Fourth Proportional to 8,242.40, 11,374.54 and 4,465.55

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Solution

The fourth proportional to 8,242.40, 11,374.54 and 4,465.55 is: 6,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.40 : 11,374.54 = 4,465.55 : x
  2. Step 2: Convert to fraction form
    8,242.40/11,374.54 = 4,465.55/x
  3. Step 3: Cross multiply
    8,242.40x = 11,374.54 × 4,465.55
  4. Step 4: Simplify right side
    8,242.40x = 50,793,554.77
  5. Step 5: Solve for x
    x = 50,793,554.77/8,242.40
  6. Step 6: Final answer
    x = 6,162.47

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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.