Home / 8,261.61-11,398.23-4,722.32

Finding the Fourth Proportional to 8,261.61, 11,398.23 and 4,722.32

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Solution

The fourth proportional to 8,261.61, 11,398.23 and 4,722.32 is: 6,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.61 : 11,398.23 = 4,722.32 : x
  2. Step 2: Convert to fraction form
    8,261.61/11,398.23 = 4,722.32/x
  3. Step 3: Cross multiply
    8,261.61x = 11,398.23 × 4,722.32
  4. Step 4: Simplify right side
    8,261.61x = 53,826,089.49
  5. Step 5: Solve for x
    x = 53,826,089.49/8,261.61
  6. Step 6: Final answer
    x = 6,515.21

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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.