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Finding the Fourth Proportional to 7,000.56, 10,503.63 and 6,889.98

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Solution

The fourth proportional to 7,000.56, 10,503.63 and 6,889.98 is: 10,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.56 : 10,503.63 = 6,889.98 : x
  2. Step 2: Convert to fraction form
    7,000.56/10,503.63 = 6,889.98/x
  3. Step 3: Cross multiply
    7,000.56x = 10,503.63 × 6,889.98
  4. Step 4: Simplify right side
    7,000.56x = 72,369,800.63
  5. Step 5: Solve for x
    x = 72,369,800.63/7,000.56
  6. Step 6: Final answer
    x = 10,337.72

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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.