Home / 7,439.02-11,158.49-1,892.32

Finding the Fourth Proportional to 7,439.02, 11,158.49 and 1,892.32

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Solution

The fourth proportional to 7,439.02, 11,158.49 and 1,892.32 is: 2,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.02 : 11,158.49 = 1,892.32 : x
  2. Step 2: Convert to fraction form
    7,439.02/11,158.49 = 1,892.32/x
  3. Step 3: Cross multiply
    7,439.02x = 11,158.49 × 1,892.32
  4. Step 4: Simplify right side
    7,439.02x = 21,115,424.34
  5. Step 5: Solve for x
    x = 21,115,424.34/7,439.02
  6. Step 6: Final answer
    x = 2,838.47

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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.