Home / 5,076.59-7,612.85-1,954.85

Finding the Fourth Proportional to 5,076.59, 7,612.85 and 1,954.85

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Solution

The fourth proportional to 5,076.59, 7,612.85 and 1,954.85 is: 2,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.59 : 7,612.85 = 1,954.85 : x
  2. Step 2: Convert to fraction form
    5,076.59/7,612.85 = 1,954.85/x
  3. Step 3: Cross multiply
    5,076.59x = 7,612.85 × 1,954.85
  4. Step 4: Simplify right side
    5,076.59x = 14,881,946.65
  5. Step 5: Solve for x
    x = 14,881,946.65/5,076.59
  6. Step 6: Final answer
    x = 2,931.49

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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.