Home / 9,189.32-12,681.36-4,997.60

Finding the Fourth Proportional to 9,189.32, 12,681.36 and 4,997.60

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Solution

The fourth proportional to 9,189.32, 12,681.36 and 4,997.60 is: 6,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.32 : 12,681.36 = 4,997.60 : x
  2. Step 2: Convert to fraction form
    9,189.32/12,681.36 = 4,997.60/x
  3. Step 3: Cross multiply
    9,189.32x = 12,681.36 × 4,997.60
  4. Step 4: Simplify right side
    9,189.32x = 63,376,364.74
  5. Step 5: Solve for x
    x = 63,376,364.74/9,189.32
  6. Step 6: Final answer
    x = 6,896.74

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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.