Home / 4,618.40-6,927.64-1,331.50

Finding the Fourth Proportional to 4,618.40, 6,927.64 and 1,331.50

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Solution

The fourth proportional to 4,618.40, 6,927.64 and 1,331.50 is: 1,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.40 : 6,927.64 = 1,331.50 : x
  2. Step 2: Convert to fraction form
    4,618.40/6,927.64 = 1,331.50/x
  3. Step 3: Cross multiply
    4,618.40x = 6,927.64 × 1,331.50
  4. Step 4: Simplify right side
    4,618.40x = 9,224,152.66
  5. Step 5: Solve for x
    x = 9,224,152.66/4,618.40
  6. Step 6: Final answer
    x = 1,997.26

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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.