Home / 7,509.18-10,354.82-6,450.50

Finding the Fourth Proportional to 7,509.18, 10,354.82 and 6,450.50

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Solution

The fourth proportional to 7,509.18, 10,354.82 and 6,450.50 is: 8,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.18 : 10,354.82 = 6,450.50 : x
  2. Step 2: Convert to fraction form
    7,509.18/10,354.82 = 6,450.50/x
  3. Step 3: Cross multiply
    7,509.18x = 10,354.82 × 6,450.50
  4. Step 4: Simplify right side
    7,509.18x = 66,793,766.41
  5. Step 5: Solve for x
    x = 66,793,766.41/7,509.18
  6. Step 6: Final answer
    x = 8,894.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.