Home / 7,960.23-10,985.49-4,423.50

Finding the Fourth Proportional to 7,960.23, 10,985.49 and 4,423.50

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Solution

The fourth proportional to 7,960.23, 10,985.49 and 4,423.50 is: 6,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.23 : 10,985.49 = 4,423.50 : x
  2. Step 2: Convert to fraction form
    7,960.23/10,985.49 = 4,423.50/x
  3. Step 3: Cross multiply
    7,960.23x = 10,985.49 × 4,423.50
  4. Step 4: Simplify right side
    7,960.23x = 48,594,315.02
  5. Step 5: Solve for x
    x = 48,594,315.02/7,960.23
  6. Step 6: Final answer
    x = 6,104.64

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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.