Home / 8,963.35-12,370.61-5,426.62

Finding the Fourth Proportional to 8,963.35, 12,370.61 and 5,426.62

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Solution

The fourth proportional to 8,963.35, 12,370.61 and 5,426.62 is: 7,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.35 : 12,370.61 = 5,426.62 : x
  2. Step 2: Convert to fraction form
    8,963.35/12,370.61 = 5,426.62/x
  3. Step 3: Cross multiply
    8,963.35x = 12,370.61 × 5,426.62
  4. Step 4: Simplify right side
    8,963.35x = 67,130,599.64
  5. Step 5: Solve for x
    x = 67,130,599.64/8,963.35
  6. Step 6: Final answer
    x = 7,489.45

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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.