Home / 8,873.90-12,245.84-4,840.78

Finding the Fourth Proportional to 8,873.90, 12,245.84 and 4,840.78

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Solution

The fourth proportional to 8,873.90, 12,245.84 and 4,840.78 is: 6,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.90 : 12,245.84 = 4,840.78 : x
  2. Step 2: Convert to fraction form
    8,873.90/12,245.84 = 4,840.78/x
  3. Step 3: Cross multiply
    8,873.90x = 12,245.84 × 4,840.78
  4. Step 4: Simplify right side
    8,873.90x = 59,279,417.36
  5. Step 5: Solve for x
    x = 59,279,417.36/8,873.90
  6. Step 6: Final answer
    x = 6,680.20

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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.