Home / 7,328.61-10,099.49-5,229.09

Finding the Fourth Proportional to 7,328.61, 10,099.49 and 5,229.09

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Solution

The fourth proportional to 7,328.61, 10,099.49 and 5,229.09 is: 7,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.61 : 10,099.49 = 5,229.09 : x
  2. Step 2: Convert to fraction form
    7,328.61/10,099.49 = 5,229.09/x
  3. Step 3: Cross multiply
    7,328.61x = 10,099.49 × 5,229.09
  4. Step 4: Simplify right side
    7,328.61x = 52,811,116.02
  5. Step 5: Solve for x
    x = 52,811,116.02/7,328.61
  6. Step 6: Final answer
    x = 7,206.16

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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.