Home / 7,570.49-11,357.06-3,128.13

Finding the Fourth Proportional to 7,570.49, 11,357.06 and 3,128.13

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Solution

The fourth proportional to 7,570.49, 11,357.06 and 3,128.13 is: 4,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.49 : 11,357.06 = 3,128.13 : x
  2. Step 2: Convert to fraction form
    7,570.49/11,357.06 = 3,128.13/x
  3. Step 3: Cross multiply
    7,570.49x = 11,357.06 × 3,128.13
  4. Step 4: Simplify right side
    7,570.49x = 35,526,344.46
  5. Step 5: Solve for x
    x = 35,526,344.46/7,570.49
  6. Step 6: Final answer
    x = 4,692.74

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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.