Home / 6,391.35-9,583.77-2,925.63

Finding the Fourth Proportional to 6,391.35, 9,583.77 and 2,925.63

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Solution

The fourth proportional to 6,391.35, 9,583.77 and 2,925.63 is: 4,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.35 : 9,583.77 = 2,925.63 : x
  2. Step 2: Convert to fraction form
    6,391.35/9,583.77 = 2,925.63/x
  3. Step 3: Cross multiply
    6,391.35x = 9,583.77 × 2,925.63
  4. Step 4: Simplify right side
    6,391.35x = 28,038,565.03
  5. Step 5: Solve for x
    x = 28,038,565.03/6,391.35
  6. Step 6: Final answer
    x = 4,386.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.