Home / 8,391.58-11,582.72-4,808.55

Finding the Fourth Proportional to 8,391.58, 11,582.72 and 4,808.55

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Solution

The fourth proportional to 8,391.58, 11,582.72 and 4,808.55 is: 6,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.58 : 11,582.72 = 4,808.55 : x
  2. Step 2: Convert to fraction form
    8,391.58/11,582.72 = 4,808.55/x
  3. Step 3: Cross multiply
    8,391.58x = 11,582.72 × 4,808.55
  4. Step 4: Simplify right side
    8,391.58x = 55,696,088.26
  5. Step 5: Solve for x
    x = 55,696,088.26/8,391.58
  6. Step 6: Final answer
    x = 6,637.14

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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.