Home / 8,326.47-11,490.98-4,742.55

Finding the Fourth Proportional to 8,326.47, 11,490.98 and 4,742.55

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Solution

The fourth proportional to 8,326.47, 11,490.98 and 4,742.55 is: 6,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.47 : 11,490.98 = 4,742.55 : x
  2. Step 2: Convert to fraction form
    8,326.47/11,490.98 = 4,742.55/x
  3. Step 3: Cross multiply
    8,326.47x = 11,490.98 × 4,742.55
  4. Step 4: Simplify right side
    8,326.47x = 54,496,602.79
  5. Step 5: Solve for x
    x = 54,496,602.79/8,326.47
  6. Step 6: Final answer
    x = 6,544.98

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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.