Home / 8,485.83-11,710.59-4,657.77

Finding the Fourth Proportional to 8,485.83, 11,710.59 and 4,657.77

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Solution

The fourth proportional to 8,485.83, 11,710.59 and 4,657.77 is: 6,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.83 : 11,710.59 = 4,657.77 : x
  2. Step 2: Convert to fraction form
    8,485.83/11,710.59 = 4,657.77/x
  3. Step 3: Cross multiply
    8,485.83x = 11,710.59 × 4,657.77
  4. Step 4: Simplify right side
    8,485.83x = 54,545,234.78
  5. Step 5: Solve for x
    x = 54,545,234.78/8,485.83
  6. Step 6: Final answer
    x = 6,427.80

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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.