Home / 6,397.04-9,595.28-1,780.04

Finding the Fourth Proportional to 6,397.04, 9,595.28 and 1,780.04

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Solution

The fourth proportional to 6,397.04, 9,595.28 and 1,780.04 is: 2,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.04 : 9,595.28 = 1,780.04 : x
  2. Step 2: Convert to fraction form
    6,397.04/9,595.28 = 1,780.04/x
  3. Step 3: Cross multiply
    6,397.04x = 9,595.28 × 1,780.04
  4. Step 4: Simplify right side
    6,397.04x = 17,079,982.21
  5. Step 5: Solve for x
    x = 17,079,982.21/6,397.04
  6. Step 6: Final answer
    x = 2,669.98

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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.