Home / 4,902.64-6,764.16-2,913.76

Finding the Fourth Proportional to 4,902.64, 6,764.16 and 2,913.76

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Solution

The fourth proportional to 4,902.64, 6,764.16 and 2,913.76 is: 4,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.64 : 6,764.16 = 2,913.76 : x
  2. Step 2: Convert to fraction form
    4,902.64/6,764.16 = 2,913.76/x
  3. Step 3: Cross multiply
    4,902.64x = 6,764.16 × 2,913.76
  4. Step 4: Simplify right side
    4,902.64x = 19,709,138.84
  5. Step 5: Solve for x
    x = 19,709,138.84/4,902.64
  6. Step 6: Final answer
    x = 4,020.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.