Home / 4,710.90-6,501-2,721.64

Finding the Fourth Proportional to 4,710.90, 6,501 and 2,721.64

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Solution

The fourth proportional to 4,710.90, 6,501 and 2,721.64 is: 3,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.90 : 6,501 = 2,721.64 : x
  2. Step 2: Convert to fraction form
    4,710.90/6,501 = 2,721.64/x
  3. Step 3: Cross multiply
    4,710.90x = 6,501 × 2,721.64
  4. Step 4: Simplify right side
    4,710.90x = 17,693,381.64
  5. Step 5: Solve for x
    x = 17,693,381.64/4,710.90
  6. Step 6: Final answer
    x = 3,755.84

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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.