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Finding the Fourth Proportional to 7,007.34, 10,492.46 and 4,230.30

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Solution

The fourth proportional to 7,007.34, 10,492.46 and 4,230.30 is: 6,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.34 : 10,492.46 = 4,230.30 : x
  2. Step 2: Convert to fraction form
    7,007.34/10,492.46 = 4,230.30/x
  3. Step 3: Cross multiply
    7,007.34x = 10,492.46 × 4,230.30
  4. Step 4: Simplify right side
    7,007.34x = 44,386,253.54
  5. Step 5: Solve for x
    x = 44,386,253.54/7,007.34
  6. Step 6: Final answer
    x = 6,334.25

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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.