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Finding the Fourth Proportional to 7,000.90, 10,522.95 and 6,871.30

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Solution

The fourth proportional to 7,000.90, 10,522.95 and 6,871.30 is: 10,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.90 : 10,522.95 = 6,871.30 : x
  2. Step 2: Convert to fraction form
    7,000.90/10,522.95 = 6,871.30/x
  3. Step 3: Cross multiply
    7,000.90x = 10,522.95 × 6,871.30
  4. Step 4: Simplify right side
    7,000.90x = 72,306,346.34
  5. Step 5: Solve for x
    x = 72,306,346.34/7,000.90
  6. Step 6: Final answer
    x = 10,328.15

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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.