Home / 7,122.08-10,670.16-6,966.56

Finding the Fourth Proportional to 7,122.08, 10,670.16 and 6,966.56

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Solution

The fourth proportional to 7,122.08, 10,670.16 and 6,966.56 is: 10,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.08 : 10,670.16 = 6,966.56 : x
  2. Step 2: Convert to fraction form
    7,122.08/10,670.16 = 6,966.56/x
  3. Step 3: Cross multiply
    7,122.08x = 10,670.16 × 6,966.56
  4. Step 4: Simplify right side
    7,122.08x = 74,334,309.85
  5. Step 5: Solve for x
    x = 74,334,309.85/7,122.08
  6. Step 6: Final answer
    x = 10,437.16

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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.