Home / 5,528.79-8,294.40-2,605.50

Finding the Fourth Proportional to 5,528.79, 8,294.40 and 2,605.50

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Solution

The fourth proportional to 5,528.79, 8,294.40 and 2,605.50 is: 3,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.79 : 8,294.40 = 2,605.50 : x
  2. Step 2: Convert to fraction form
    5,528.79/8,294.40 = 2,605.50/x
  3. Step 3: Cross multiply
    5,528.79x = 8,294.40 × 2,605.50
  4. Step 4: Simplify right side
    5,528.79x = 21,611,059.20
  5. Step 5: Solve for x
    x = 21,611,059.20/5,528.79
  6. Step 6: Final answer
    x = 3,908.82

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Half scale
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Double scale
Find fourth proportional to 5,529.79, 8,295.90 and 2,606.50
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.