Home / 9,326.60-12,870.32-5,347.47

Finding the Fourth Proportional to 9,326.60, 12,870.32 and 5,347.47

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Solution

The fourth proportional to 9,326.60, 12,870.32 and 5,347.47 is: 7,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.60 : 12,870.32 = 5,347.47 : x
  2. Step 2: Convert to fraction form
    9,326.60/12,870.32 = 5,347.47/x
  3. Step 3: Cross multiply
    9,326.60x = 12,870.32 × 5,347.47
  4. Step 4: Simplify right side
    9,326.60x = 68,823,623.35
  5. Step 5: Solve for x
    x = 68,823,623.35/9,326.60
  6. Step 6: Final answer
    x = 7,379.29

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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.