Home / 4,176.55-6,265.79-1,215.06

Finding the Fourth Proportional to 4,176.55, 6,265.79 and 1,215.06

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Solution

The fourth proportional to 4,176.55, 6,265.79 and 1,215.06 is: 1,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.55 : 6,265.79 = 1,215.06 : x
  2. Step 2: Convert to fraction form
    4,176.55/6,265.79 = 1,215.06/x
  3. Step 3: Cross multiply
    4,176.55x = 6,265.79 × 1,215.06
  4. Step 4: Simplify right side
    4,176.55x = 7,613,307.76
  5. Step 5: Solve for x
    x = 7,613,307.76/4,176.55
  6. Step 6: Final answer
    x = 1,822.87

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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.