Home / 7,746.42-11,613.48-3,848.70

Finding the Fourth Proportional to 7,746.42, 11,613.48 and 3,848.70

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Solution

The fourth proportional to 7,746.42, 11,613.48 and 3,848.70 is: 5,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.42 : 11,613.48 = 3,848.70 : x
  2. Step 2: Convert to fraction form
    7,746.42/11,613.48 = 3,848.70/x
  3. Step 3: Cross multiply
    7,746.42x = 11,613.48 × 3,848.70
  4. Step 4: Simplify right side
    7,746.42x = 44,696,800.48
  5. Step 5: Solve for x
    x = 44,696,800.48/7,746.42
  6. Step 6: Final answer
    x = 5,769.99

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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.