Home / 8,375.81-11,554.04-4,970.77

Finding the Fourth Proportional to 8,375.81, 11,554.04 and 4,970.77

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Solution

The fourth proportional to 8,375.81, 11,554.04 and 4,970.77 is: 6,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.81 : 11,554.04 = 4,970.77 : x
  2. Step 2: Convert to fraction form
    8,375.81/11,554.04 = 4,970.77/x
  3. Step 3: Cross multiply
    8,375.81x = 11,554.04 × 4,970.77
  4. Step 4: Simplify right side
    8,375.81x = 57,432,458.95
  5. Step 5: Solve for x
    x = 57,432,458.95/8,375.81
  6. Step 6: Final answer
    x = 6,856.95

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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.