Home / 6,890.10-10,335.18-1,695.96

Finding the Fourth Proportional to 6,890.10, 10,335.18 and 1,695.96

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Solution

The fourth proportional to 6,890.10, 10,335.18 and 1,695.96 is: 2,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.10 : 10,335.18 = 1,695.96 : x
  2. Step 2: Convert to fraction form
    6,890.10/10,335.18 = 1,695.96/x
  3. Step 3: Cross multiply
    6,890.10x = 10,335.18 × 1,695.96
  4. Step 4: Simplify right side
    6,890.10x = 17,528,051.87
  5. Step 5: Solve for x
    x = 17,528,051.87/6,890.10
  6. Step 6: Final answer
    x = 2,543.95

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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.