Home / 9,109.01-12,570.97-5,572.90

Finding the Fourth Proportional to 9,109.01, 12,570.97 and 5,572.90

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Solution

The fourth proportional to 9,109.01, 12,570.97 and 5,572.90 is: 7,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.01 : 12,570.97 = 5,572.90 : x
  2. Step 2: Convert to fraction form
    9,109.01/12,570.97 = 5,572.90/x
  3. Step 3: Cross multiply
    9,109.01x = 12,570.97 × 5,572.90
  4. Step 4: Simplify right side
    9,109.01x = 70,056,758.71
  5. Step 5: Solve for x
    x = 70,056,758.71/9,109.01
  6. Step 6: Final answer
    x = 7,690.93

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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.