Home / 5,585.50-8,378.52-1,689.94

Finding the Fourth Proportional to 5,585.50, 8,378.52 and 1,689.94

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Solution

The fourth proportional to 5,585.50, 8,378.52 and 1,689.94 is: 2,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.50 : 8,378.52 = 1,689.94 : x
  2. Step 2: Convert to fraction form
    5,585.50/8,378.52 = 1,689.94/x
  3. Step 3: Cross multiply
    5,585.50x = 8,378.52 × 1,689.94
  4. Step 4: Simplify right side
    5,585.50x = 14,159,196.09
  5. Step 5: Solve for x
    x = 14,159,196.09/5,585.50
  6. Step 6: Final answer
    x = 2,534.99

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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.