Home / 8,967.21-12,374.37-4,988.31

Finding the Fourth Proportional to 8,967.21, 12,374.37 and 4,988.31

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Solution

The fourth proportional to 8,967.21, 12,374.37 and 4,988.31 is: 6,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.21 : 12,374.37 = 4,988.31 : x
  2. Step 2: Convert to fraction form
    8,967.21/12,374.37 = 4,988.31/x
  3. Step 3: Cross multiply
    8,967.21x = 12,374.37 × 4,988.31
  4. Step 4: Simplify right side
    8,967.21x = 61,727,193.61
  5. Step 5: Solve for x
    x = 61,727,193.61/8,967.21
  6. Step 6: Final answer
    x = 6,883.66

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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.