Home / 4,214.43-5,816.61-2,642.76

Finding the Fourth Proportional to 4,214.43, 5,816.61 and 2,642.76

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Solution

The fourth proportional to 4,214.43, 5,816.61 and 2,642.76 is: 3,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.43 : 5,816.61 = 2,642.76 : x
  2. Step 2: Convert to fraction form
    4,214.43/5,816.61 = 2,642.76/x
  3. Step 3: Cross multiply
    4,214.43x = 5,816.61 × 2,642.76
  4. Step 4: Simplify right side
    4,214.43x = 15,371,904.24
  5. Step 5: Solve for x
    x = 15,371,904.24/4,214.43
  6. Step 6: Final answer
    x = 3,647.45

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Half scale
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Double scale
Find fourth proportional to 4,215.43, 5,817.99 and 2,643.76
Similar ratio
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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.