Home / 4,272.34-6,409.39-1,807.17

Finding the Fourth Proportional to 4,272.34, 6,409.39 and 1,807.17

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Solution

The fourth proportional to 4,272.34, 6,409.39 and 1,807.17 is: 2,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.34 : 6,409.39 = 1,807.17 : x
  2. Step 2: Convert to fraction form
    4,272.34/6,409.39 = 1,807.17/x
  3. Step 3: Cross multiply
    4,272.34x = 6,409.39 × 1,807.17
  4. Step 4: Simplify right side
    4,272.34x = 11,582,852.81
  5. Step 5: Solve for x
    x = 11,582,852.81/4,272.34
  6. Step 6: Final answer
    x = 2,711.13

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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.