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Finding the Fourth Proportional to 5,599.65, 7,724.27 and 3,360.24

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Solution

The fourth proportional to 5,599.65, 7,724.27 and 3,360.24 is: 4,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.65 : 7,724.27 = 3,360.24 : x
  2. Step 2: Convert to fraction form
    5,599.65/7,724.27 = 3,360.24/x
  3. Step 3: Cross multiply
    5,599.65x = 7,724.27 × 3,360.24
  4. Step 4: Simplify right side
    5,599.65x = 25,955,384.22
  5. Step 5: Solve for x
    x = 25,955,384.22/5,599.65
  6. Step 6: Final answer
    x = 4,635.18

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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.