Home / 7,869.04-10,861.16-4,883.11

Finding the Fourth Proportional to 7,869.04, 10,861.16 and 4,883.11

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Solution

The fourth proportional to 7,869.04, 10,861.16 and 4,883.11 is: 6,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.04 : 10,861.16 = 4,883.11 : x
  2. Step 2: Convert to fraction form
    7,869.04/10,861.16 = 4,883.11/x
  3. Step 3: Cross multiply
    7,869.04x = 10,861.16 × 4,883.11
  4. Step 4: Simplify right side
    7,869.04x = 53,036,187.44
  5. Step 5: Solve for x
    x = 53,036,187.44/7,869.04
  6. Step 6: Final answer
    x = 6,739.86

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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.