Home / 4,678.40-7,018.26-1,716.48

Finding the Fourth Proportional to 4,678.40, 7,018.26 and 1,716.48

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Solution

The fourth proportional to 4,678.40, 7,018.26 and 1,716.48 is: 2,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.40 : 7,018.26 = 1,716.48 : x
  2. Step 2: Convert to fraction form
    4,678.40/7,018.26 = 1,716.48/x
  3. Step 3: Cross multiply
    4,678.40x = 7,018.26 × 1,716.48
  4. Step 4: Simplify right side
    4,678.40x = 12,046,702.92
  5. Step 5: Solve for x
    x = 12,046,702.92/4,678.40
  6. Step 6: Final answer
    x = 2,574.96

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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.