Home / 7,989.87-11,026.05-4,805.00

Finding the Fourth Proportional to 7,989.87, 11,026.05 and 4,805.00

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Solution

The fourth proportional to 7,989.87, 11,026.05 and 4,805.00 is: 6,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.87 : 11,026.05 = 4,805.00 : x
  2. Step 2: Convert to fraction form
    7,989.87/11,026.05 = 4,805.00/x
  3. Step 3: Cross multiply
    7,989.87x = 11,026.05 × 4,805.00
  4. Step 4: Simplify right side
    7,989.87x = 52,980,227.50
  5. Step 5: Solve for x
    x = 52,980,227.50/7,989.87
  6. Step 6: Final answer
    x = 6,630.92

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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.