Home / 7,860.24-11,790.36-6,570.72

Finding the Fourth Proportional to 7,860.24, 11,790.36 and 6,570.72

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Solution

The fourth proportional to 7,860.24, 11,790.36 and 6,570.72 is: 9,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.24 : 11,790.36 = 6,570.72 : x
  2. Step 2: Convert to fraction form
    7,860.24/11,790.36 = 6,570.72/x
  3. Step 3: Cross multiply
    7,860.24x = 11,790.36 × 6,570.72
  4. Step 4: Simplify right side
    7,860.24x = 77,471,154.26
  5. Step 5: Solve for x
    x = 77,471,154.26/7,860.24
  6. Step 6: Final answer
    x = 9,856.08

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Similar ratio
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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.