Home / 5,214.10-7,822.32-1,927.30

Finding the Fourth Proportional to 5,214.10, 7,822.32 and 1,927.30

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Solution

The fourth proportional to 5,214.10, 7,822.32 and 1,927.30 is: 2,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.10 : 7,822.32 = 1,927.30 : x
  2. Step 2: Convert to fraction form
    5,214.10/7,822.32 = 1,927.30/x
  3. Step 3: Cross multiply
    5,214.10x = 7,822.32 × 1,927.30
  4. Step 4: Simplify right side
    5,214.10x = 15,075,957.34
  5. Step 5: Solve for x
    x = 15,075,957.34/5,214.10
  6. Step 6: Final answer
    x = 2,891.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.