Home / 9,108.34-12,570.45-5,573.90

Finding the Fourth Proportional to 9,108.34, 12,570.45 and 5,573.90

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Solution

The fourth proportional to 9,108.34, 12,570.45 and 5,573.90 is: 7,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.34 : 12,570.45 = 5,573.90 : x
  2. Step 2: Convert to fraction form
    9,108.34/12,570.45 = 5,573.90/x
  3. Step 3: Cross multiply
    9,108.34x = 12,570.45 × 5,573.90
  4. Step 4: Simplify right side
    9,108.34x = 70,066,431.26
  5. Step 5: Solve for x
    x = 70,066,431.26/9,108.34
  6. Step 6: Final answer
    x = 7,692.56

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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.