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Finding the Fourth Proportional to 7,052.10, 9,712.22 and 6,899.01

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Solution

The fourth proportional to 7,052.10, 9,712.22 and 6,899.01 is: 9,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.10 : 9,712.22 = 6,899.01 : x
  2. Step 2: Convert to fraction form
    7,052.10/9,712.22 = 6,899.01/x
  3. Step 3: Cross multiply
    7,052.10x = 9,712.22 × 6,899.01
  4. Step 4: Simplify right side
    7,052.10x = 67,004,668.41
  5. Step 5: Solve for x
    x = 67,004,668.41/7,052.10
  6. Step 6: Final answer
    x = 9,501.38

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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.