Home / 4,714.20-6,507.90-2,946.78

Finding the Fourth Proportional to 4,714.20, 6,507.90 and 2,946.78

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Solution

The fourth proportional to 4,714.20, 6,507.90 and 2,946.78 is: 4,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.20 : 6,507.90 = 2,946.78 : x
  2. Step 2: Convert to fraction form
    4,714.20/6,507.90 = 2,946.78/x
  3. Step 3: Cross multiply
    4,714.20x = 6,507.90 × 2,946.78
  4. Step 4: Simplify right side
    4,714.20x = 19,177,349.56
  5. Step 5: Solve for x
    x = 19,177,349.56/4,714.20
  6. Step 6: Final answer
    x = 4,068.00

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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.