Home / 5,116.20-7,674.30-1,653.45

Finding the Fourth Proportional to 5,116.20, 7,674.30 and 1,653.45

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Solution

The fourth proportional to 5,116.20, 7,674.30 and 1,653.45 is: 2,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.20 : 7,674.30 = 1,653.45 : x
  2. Step 2: Convert to fraction form
    5,116.20/7,674.30 = 1,653.45/x
  3. Step 3: Cross multiply
    5,116.20x = 7,674.30 × 1,653.45
  4. Step 4: Simplify right side
    5,116.20x = 12,689,071.34
  5. Step 5: Solve for x
    x = 12,689,071.34/5,116.20
  6. Step 6: Final answer
    x = 2,480.18

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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.