Home / 6,513.77-9,770.73-4,306.72

Finding the Fourth Proportional to 6,513.77, 9,770.73 and 4,306.72

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Solution

The fourth proportional to 6,513.77, 9,770.73 and 4,306.72 is: 6,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.77 : 9,770.73 = 4,306.72 : x
  2. Step 2: Convert to fraction form
    6,513.77/9,770.73 = 4,306.72/x
  3. Step 3: Cross multiply
    6,513.77x = 9,770.73 × 4,306.72
  4. Step 4: Simplify right side
    6,513.77x = 42,079,776.05
  5. Step 5: Solve for x
    x = 42,079,776.05/6,513.77
  6. Step 6: Final answer
    x = 6,460.13

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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.