Home / 4,942.89-6,820.65-2,953.17

Finding the Fourth Proportional to 4,942.89, 6,820.65 and 2,953.17

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Solution

The fourth proportional to 4,942.89, 6,820.65 and 2,953.17 is: 4,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.89 : 6,820.65 = 2,953.17 : x
  2. Step 2: Convert to fraction form
    4,942.89/6,820.65 = 2,953.17/x
  3. Step 3: Cross multiply
    4,942.89x = 6,820.65 × 2,953.17
  4. Step 4: Simplify right side
    4,942.89x = 20,142,538.96
  5. Step 5: Solve for x
    x = 20,142,538.96/4,942.89
  6. Step 6: Final answer
    x = 4,075.05

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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.