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Finding the Fourth Proportional to 7,059.70, 10,601.70 and 4,605.40

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Solution

The fourth proportional to 7,059.70, 10,601.70 and 4,605.40 is: 6,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.70 : 10,601.70 = 4,605.40 : x
  2. Step 2: Convert to fraction form
    7,059.70/10,601.70 = 4,605.40/x
  3. Step 3: Cross multiply
    7,059.70x = 10,601.70 × 4,605.40
  4. Step 4: Simplify right side
    7,059.70x = 48,825,069.18
  5. Step 5: Solve for x
    x = 48,825,069.18/7,059.70
  6. Step 6: Final answer
    x = 6,916.03

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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.